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

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Forecast days

Today

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:34

Sunset: 18:51

Sunny intervals changing to overcast by early evening.

Ex UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;
Sat 18 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:34

Sunset: 18:51

Sunny changing to partly cloudy by nighttime.

Ex UV

No pollution data.

No pollen data.

Sat 18 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;
Sun 19 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:34

Sunset: 18:51

Overcast.

Ex UV

No pollution data.

No pollen data.

Sun 19 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;
Mon 20 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:33

Sunset: 18:52

Overcast changing to sunny intervals by lunchtime.

Ex UV

No pollution data.

No pollen data.

Mon 20 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;
Tue 21 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:33

Sunset: 18:52

Overcast changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Tue 21 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;
Wed 22 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:32

Sunset: 18:52

Sunny intervals changing to cloudy in the afternoon.

Ex UV

No pollution data.

No pollen data.

Wed 22 Oct

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 23° Celsius;
Thu 23 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 06:32

Sunset: 18:52

Sunny intervals changing to partly cloudy by early evening.

Ex UV

No pollution data.

No pollen data.

Thu 23 Oct

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunny intervals changing to overcast by early evening.

Sunrise: 06:34

Sunset: 18:51

Ex UV

No pollution data.

No pollen data.

7 day forecast for Ascension

Today (17 October 2025)

Time	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°
Feels like temperature (°C)	19°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°
Wind direction and speed (mph)	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	SE 19	SE 19	SE 19	SE 19	SE 19	SE 20	SE 20	SE 19	SE 19
Wind gust (mph)	26	26	27	27	27	27	26	27	26	26	26	26	26	26	27	27	28	28	27	27
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%
UV	-	-	1	1	3	5	8	12	12	11	10	7	4	1	1	-	-	-	-	-

Saturday (18 October 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
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%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°
Feels like temperature (°C)	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	20°	21°	21°	21°	21°	21°	21°	21°	21°	20°	20°	20°
Wind direction and speed (mph)	SE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 18	ESE 18	ESE 19	ESE 19	ESE 19	ESE 19	ESE 19	ESE 18	ESE 17	SE 17	SE 17	SE 18	SE 18	SE 18	SE 18	SE 19	SE 19	ESE 19	ESE 19
Wind gust (mph)	27	26	26	25	25	25	26	26	26	26	26	26	25	24	24	24	24	24	25	25	25	26	26	26
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%
UV	-	-	-	-	-	-	1	1	3	6	9	12	13	12	9	7	3	1	1	-	-	-	-	-

Sunday (19 October 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°
Feels like temperature (°C)	20°	20°	20°	20°	20°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	22°	21°	21°	21°	21°	21°	21°	21°	21°
Wind direction and speed (mph)	ESE 19	ESE 19	ESE 19	E 18	E 17	E 17	E 17	E 17	E 17	ESE 17	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	SE 15	SE 16	SE 17	SE 17	SE 17	ESE 18	ESE 18	ESE 19	ESE 18
Wind gust (mph)	26	25	25	24	24	23	23	22	22	22	22	21	21	21	21	21	22	23	24	24	24	25	25	25
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	76%	76%	76%	77%	77%	77%	77%	77%	76%	78%	77%	79%	79%	81%	83%	82%	82%	81%	83%	83%	83%	83%	82%	81%
UV	-	-	-	-	-	-	1	1	2	4	6	4	11	13	9	7	3	1	1	-	-	-	-	-

Monday (20 October 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
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%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	24°	24°	24°	24°	24°	23°	23°
Feels like temperature (°C)	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	22°	22°	22°	22°	22°	22°	21°	21°	21°	21°	21°
Wind direction and speed (mph)	ESE 18	ESE 18	ESE 17	ESE 17	ESE 17	ESE 17	ESE 18	ESE 18	ESE 17	ESE 17	ESE 17	ESE 17	ESE 16	ESE 16	ESE 16	SE 16	SE 16	SE 16	SE 16	SE 17	SE 17	SE 18	SE 18	SE 18
Wind gust (mph)	24	24	24	24	24	24	24	23	23	23	23	22	22	21	21	22	22	22	23	23	23	24	24	24
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	81%	83%	83%	83%	83%	83%	82%	83%	83%	82%	82%	81%	80%	80%	78%	78%	78%	77%	78%	78%	77%	78%	81%	81%
UV	-	-	-	-	-	-	1	1	2	5	9	10	12	12	10	7	4	1	1	-	-	-	-	-

Tuesday (21 October 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
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%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	23°	24°	24°	24°	24°	24°	24°	24°
Feels like temperature (°C)	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°	21°
Wind direction and speed (mph)	ESE 18	ESE 18	ESE 18	ESE 18	ESE 17	ESE 18	ESE 18	ESE 18	ESE 18	ESE 18	ESE 18	ESE 18	SE 18	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	ESE 17	ESE 17
Wind gust (mph)	24	24	24	24	24	24	24	24	25	25	24	24	24	23	23	23	23	23	23	24	24	24	24	23
Visibility (description)	VG	VG	G	VG	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	82%	83%	83%	84%	84%	84%	83%	81%	81%	80%	79%	77%	77%	76%	76%	76%	75%	75%	75%	75%	75%	75%	75%	75%
UV	-	-	-	-	-	-	1	1	2	5	9	12	13	10	10	7	4	1	1	-	-	-	-	-

Wednesday (22 October 2025)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	24°	23°	23°	23°	23°	23°	24°	23°
Feels like temperature (°C)	21°	21°	21°	21°	21°	21°	21°	21°
Wind direction and speed (mph)	ESE 17	ESE 16	ESE 17	ESE 18	ESE 17	SE 17	SE 18	SE 19
Wind gust (mph)	23	23	25	25	24	25	26	26
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	76%	75%	75%
UV	-	-	1	6	13	7	1	-

Thursday (23 October 2025)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°
Feels like temperature (°C)	20°	20°	20°	20°	20°	20°	20°	20°
Wind direction and speed (mph)	SE 19	SE 19	SE 19	ESE 20	ESE 20	ESE 18	SE 19	SE 19
Wind gust (mph)	26	26	27	27	27	26	27	26
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	76%	75%	75%	75%	75%	75%
UV	-	-	1	6	13	7	1	-

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Forecast

Forecast for 04:00 (UTC), Fri

Updated 01:27 (UTC+1) on Fri 17 Oct 2025

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

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Forecast days

Today

Today

Sat 18 Oct

Sat 18 Oct

Sun 19 Oct

Sun 19 Oct

Mon 20 Oct

Mon 20 Oct

Tue 21 Oct

Tue 21 Oct

Wed 22 Oct

Wed 22 Oct

Thu 23 Oct

Thu 23 Oct

7 day forecast for Ascension

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