St. Helena Is. (St Helena - Ascension and Tristan Da Cunha) weather

Find a forecast

Next hour

Sunny intervals

Feels like 18°
Rain <5%
Max gust 16mph from ESE Max gust 16mph from the east southeast

Sunday

Sunny intervals

Feels like 18°
Rain <5%
Max gust 20mph

Monday

Sunny intervals

Feels like 18°
Rain <5%
Max gust 20mph

Tuesday

Overcast

Feels like 17°
Rain <5%
Max gust 22mph

Wednesday

Sunny intervals

Feels like 17°
Rain <5%
Max gust 25mph

Thursday

Sunny intervals

Feels like 16°
Rain <5%
Max gust 26mph

Friday

Sunny intervals

Feels like 17°
Rain <5%
Max gust 26mph

Saturday

Sunny intervals

Feels like 18°
Rain <5%
Max gust 22mph

Forecast days

Today Today

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
Mon Monday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
Tue Tuesday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
Wed Wednesday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
Thu Thursday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
Fri Friday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
Sat Saturday

Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;

7 day forecast for St. Helena Is.

Hourly forecast

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols and temperature	20°	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	12mph	12mph	12mph	13mph	14mph	15mph	15mph	15mph	16mph

Mon

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols and temperature	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	15mph	15mph	15mph	14mph	15mph	15mph	15mph	15mph	15mph	15mph	14mph	14mph	14mph	13mph	13mph	13mph	13mph	13mph	14mph	14mph	14mph	14mph	14mph	14mph

Tue

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols and temperature	20°	20°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	15mph	15mph	15mph	15mph	15mph	16mph	16mph	16mph	16mph	16mph	16mph	15mph	14mph	14mph	13mph	13mph	14mph	14mph	15mph	15mph	16mph	17mph	17mph	17mph

Wed

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols and temperature	20°	19°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	17mph	16mph	16mph	17mph	17mph	17mph	17mph	17mph	17mph	18mph	17mph	17mph	17mph	17mph	16mph	16mph	17mph	17mph	17mph	17mph	18mph	19mph	19mph	19mph

Thu

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols and temperature	20°	20°	20°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	19mph	19mph	19mph	19mph	19mph	19mph	19mph	20mph	19mph	19mph	19mph	19mph	19mph	19mph	18mph	18mph	19mph	19mph	19mph	19mph	19mph	20mph	20mph	20mph

Fri

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Weather symbols and temperature	20°	20°	20°	20°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	20mph	19mph	19mph	18mph	17mph	16mph	17mph	17mph

Sat

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Weather symbols and temperature	20°	20°	19°	19°	20°	20°	20°	20°
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Wind speed and direction	17mph	16mph	15mph	14mph	13mph	11mph	12mph	13mph

| St. Helena Is.

Wind

Daily highest gust

20mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

76%

Daily low

75%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

21km

Very good

Daily low

21km

Very good

Sunrise and sunset

06:39 17:59

Complete sun and moon data for Sunday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

20mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

77%

Daily low

74%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

24km

Very good

Daily low

20km

Very good

Sunrise and sunset

06:39 17:59

Complete sun and moon data for Monday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

22mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

75%

Daily low

73%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

23km

Very good

Daily low

21km

Very good

Sunrise and sunset

06:39 17:59

Complete sun and moon data for Tuesday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

25mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

76%

Daily low

74%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

21km

Very good

Daily low

20km

Very good

Sunrise and sunset

06:40 17:59

Complete sun and moon data for Wednesday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

26mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

76%

Daily low

75%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

21km

Very good

Daily low

19km

Good

Sunrise and sunset

06:40 17:59

Complete sun and moon data for Thursday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

26mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

76%

Daily low

73%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

22km

Very good

Daily low

21km

Very good

Sunrise and sunset

06:40 17:58

Complete sun and moon data for Friday - U.S. Naval Observatory

Air pollution

No air pollution data

Wind

Daily highest gust

22mph

Feels like

Daily high

Daily low

Next rain

Rain <5%

Humidity

Daily high

74%

Daily low

72%

Daily highest level

Very High

Avoid being outside or seek shade from 11am to 3pm. Shirt, sunscreen and hat are essential.

Visibility

Daily high

24km

Very good

Daily low

22km

Very good

Sunrise and sunset

06:41 17:58

Complete sun and moon data for Saturday - U.S. Naval Observatory

Air pollution

No air pollution data

Updated: 12:24pm on 17 May 2026

| St. Helena Is.

Time and weather

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Weather symbols

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Weather symbols

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Weather symbols

Wind

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Speed	12mph Gentle breeze	12mph Gentle breeze	12mph Gentle breeze	13mph Light winds	14mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	16mph Light winds

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind speed	15mph Light winds	15mph Light winds	15mph Light winds	14mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	14mph Light winds	14mph Light winds	14mph Light winds	13mph Light winds	13mph Light winds	13mph Light winds	13mph Light winds	13mph Light winds	14mph Light winds	14mph Light winds	14mph Light winds	14mph Light winds	14mph Light winds	14mph Light winds

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind speed	15mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	15mph Light winds	16mph Light winds	16mph Light winds	16mph Light winds	16mph Light winds	16mph Light winds	16mph Light winds	15mph Light winds	14mph Light winds	14mph Light winds	13mph Light winds	13mph Light winds	14mph Light winds	14mph Light winds	15mph Light winds	15mph Light winds	16mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind speed	17mph Light winds	16mph Light winds	16mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	18mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	16mph Light winds	16mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	17mph Light winds	18mph Light winds	19mph Strong winds	19mph Strong winds	19mph Strong winds

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind speed	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	20mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	18mph Light winds	18mph Light winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	19mph Strong winds	20mph Strong winds	20mph Strong winds	20mph Strong winds

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind speed	20mph Strong winds	19mph Strong winds	19mph Strong winds	18mph Light winds	17mph Light winds	16mph Light winds	17mph Light winds	17mph Light winds

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind speed	17mph Light winds	16mph Light winds	15mph Light winds	14mph Light winds	13mph Light winds	11mph Gentle breeze	12mph Gentle breeze	13mph Light winds

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Direction from	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind direction from	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind direction from	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	SE southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind direction from	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind direction from	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind direction from	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast	ESE east southeast

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind direction from	ESE east southeast	ESE east southeast	ESE east southeast	E east	E east	ESE east southeast	ESE east southeast	ESE east southeast

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Gusts	16mph	16mph	17mph	18mph	19mph	19mph	20mph	20mph	20mph

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind gust speed	20mph	19mph	19mph	19mph	19mph	20mph	20mph	20mph	20mph	19mph	19mph	18mph	17mph	17mph	17mph	17mph	17mph	18mph	18mph	18mph	18mph	19mph	19mph	19mph

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind gust speed	19mph	19mph	20mph	20mph	20mph	21mph	21mph	21mph	21mph	21mph	20mph	20mph	19mph	18mph	18mph	18mph	19mph	19mph	20mph	21mph	21mph	22mph	21mph	21mph

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind gust speed	21mph	21mph	22mph	22mph	22mph	22mph	23mph	23mph	23mph	23mph	23mph	22mph	22mph	22mph	22mph	21mph	22mph	22mph	22mph	23mph	24mph	24mph	24mph	25mph

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Wind gust speed	25mph	25mph	25mph	25mph	25mph	26mph	26mph	25mph	26mph	25mph	24mph	25mph	24mph	24mph	24mph	24mph	24mph	25mph	25mph	25mph	25mph	26mph	26mph	26mph

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind gust speed	26mph	25mph	25mph	24mph	22mph	22mph	23mph	23mph

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Wind gust speed	22mph	21mph	20mph	19mph	17mph	17mph	18mph	18mph

Temperature

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Actual (°C)	20°	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Temperature (°C)	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Temperature (°C)	20°	20°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Temperature (°C)	20°	19°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Temperature (°C)	20°	20°	20°	19°	19°	19°	19°	19°	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Temperature (°C)	20°	20°	20°	20°	20°	20°	20°	20°

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Temperature (°C)	20°	20°	19°	19°	20°	20°	20°	20°

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Feels like (°C)	18°	18°	18°	18°	18°	17°	17°	17°	17°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Feels like temperature (°C)	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	18°	18°	18°	18°	18°	18°	17°	17°	17°	17°	17°	17°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Feels like temperature (°C)	17°	17°	17°	17°	16°	16°	16°	16°	16°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°	16°	16°	16°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Feels like temperature (°C)	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	17°	17°	17°	16°	16°	16°	16°	16°	16°	16°

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Feels like temperature (°C)	16°	16°	16°	16°	16°	16°	15°	15°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°	16°

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Feels like temperature (°C)	16°	16°	16°	16°	16°	17°	17°	16°

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Feels like temperature (°C)	16°	16°	17°	17°	17°	18°	18°	17°

Humidity

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Humidity	75%	75%	75%	75%	75%	75%	76%	75%	75%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Humidity	76%	75%	76%	76%	76%	76%	77%	76%	76%	75%	76%	76%	76%	75%	75%	75%	75%	75%	75%	75%	75%	74%	75%	74%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Humidity	74%	74%	74%	75%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	73%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Humidity	74%	74%	75%	75%	76%	76%	75%	75%	75%	74%	75%	75%	75%	75%	74%	75%	75%	75%	75%	75%	76%	76%	76%	76%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Humidity	76%	76%	76%	76%	76%	76%	76%	76%	75%	76%	76%	75%	76%	75%	75%	76%	75%	75%	75%	76%	76%	75%	76%	76%

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Humidity	76%	75%	75%	74%	74%	73%	73%	74%

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Humidity	73%	72%	74%	74%	73%	73%	73%	72%

Rain and snow

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Chance	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%

UV

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
UV	Moderate	Low	Low	No risk	No risk	No risk	No risk	No risk	No risk

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
UV	No risk	No risk	No risk	No risk	No risk	No risk	Low	Low	Low	Moderate	High	Very High	Very High	High	High	Moderate	Low	Low	No risk	No risk	No risk	No risk	No risk	No risk

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
UV	No risk	No risk	No risk	No risk	No risk	No risk	Low	Low	Low	Moderate	High	Very High	Very High	High	Moderate	Moderate	Low	Low	No risk	No risk	No risk	No risk	No risk	No risk

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
UV	No risk	No risk	No risk	No risk	No risk	No risk	Low	Low	Low	Moderate	High	High	Very High	High	Moderate	Moderate	Low	Low	No risk	No risk	No risk	No risk	No risk	No risk

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
UV	No risk	No risk	No risk	No risk	No risk	No risk	Low	Low	Low	Moderate	High	Very High	Very High	High	High	Moderate	Low	Low	No risk	No risk	No risk	No risk	No risk	No risk

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
UV	No risk	No risk	Low	Moderate	Very High	Moderate	No risk	No risk

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
UV	No risk	No risk	Low	Moderate	Very High	Moderate	No risk	No risk

Visibility

Time	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm
Visibility	Very good	Very good	Very good	Very good	Good	Good	Good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Time	12am	3am	6am	9am	12pm	3pm	6pm	9pm
Visibility	Very good	Very good	Very good	Very good	Very good	Very good	Very good	Very good

Updated: 12:24pm on 17 May 2026

St Helena - Ascension and Tristan Da Cunha weather map

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Forecast for 4pm (UTC) Sunday

Updated: 12:24pm on 17 May 2026

Forecast explained

Very Poor	Less than 1km
Poor	1.1km to 4km
Moderate	4.1km to 10km
Good	10.1km to 20km
Very Good	20.1km to 40km
Excellent	Greater than 40km

Very Poor	Less than 1km
Poor	1.1km to 4km
Moderate	4.1km to 10km
Good	10.1km to 20km
Very Good	20.1km to 40km
Excellent	Greater than 40km

Very Poor	Less than 1km
Poor	1.1km to 4km
Moderate	4.1km to 10km
Good	10.1km to 20km
Very Good	20.1km to 40km
Excellent	Greater than 40km

Very Poor	Less than 1km
Poor	1.1km to 4km
Moderate	4.1km to 10km
Good	10.1km to 20km
Very Good	20.1km to 40km
Excellent	Greater than 40km

Very Poor	Less than 1km
Poor	1.1km to 4km
Moderate	4.1km to 10km
Good	10.1km to 20km
Very Good	20.1km to 40km
Excellent	Greater than 40km

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