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

Find a forecast

Forecast days

Today

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

Sunrise: 06:42

Sunset: 19:17

Overcast changing to sunny intervals by lunchtime.

Ex UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Tue 30 Dec

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

Sunrise: 06:43

Sunset: 19:18

Overcast.

Ex UV

No pollution data.

No pollen data.

Tue 30 Dec

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Wed 31 Dec

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

Sunrise: 06:43

Sunset: 19:18

Overcast changing to sunny intervals by lunchtime.

Ex UV

No pollution data.

No pollen data.

Wed 31 Dec

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Thu 1 Jan

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

Sunrise: 06:44

Sunset: 19:18

Sunny intervals changing to partly cloudy by early evening.

Ex UV

No pollution data.

No pollen data.

Thu 1 Jan

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Fri 2 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;

Sunrise: 06:45

Sunset: 19:19

Sunny intervals changing to partly cloudy by early evening.

Ex UV

No pollution data.

No pollen data.

Fri 2 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Sat 3 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;

Sunrise: 06:45

Sunset: 19:19

Sunny intervals changing to partly cloudy by early evening.

Ex UV

No pollution data.

No pollen data.

Sat 3 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Sun 4 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;

Sunrise: 06:46

Sunset: 19:20

Sunny intervals changing to overcast in the afternoon.

Ex UV

No pollution data.

No pollen data.

Sun 4 Jan

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;

Overcast changing to sunny intervals by lunchtime.

Sunrise: 06:42

Sunset: 19:17

Ex UV

No pollution data.

No pollen data.

7 day forecast for Ascension Wideawake

Today (29 December 2025)

Time	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%
Temperature (°C)	24°	24°	23°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°
Feels like temperature (°C)	23°	23°	23°	23°	23°	23°	22°	23°	22°	22°	22°	22°	22°	22°	23°	23°	23°	23°	23°	23°	23°
Wind direction and speed (mph)	ESE 11	ESE 11	ESE 12	ESE 12	ESE 13	ESE 13	ESE 14	ESE 13	ESE 14	ESE 15	ESE 15	ESE 14	ESE 14	ESE 14	ESE 13	ESE 13	ESE 13	ESE 14	ESE 14	ESE 14	ESE 15
Wind gust (mph)	16	16	17	17	18	19	19	19	20	20	20	19	19	19	18	18	19	19	19	20	21
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	77%	77%	78%	78%	78%	78%	78%	78%	78%	78%	77%	77%	76%	75%	75%	75%	75%	75%	75%	75%	75%
UV	-	-	-	1	1	2	4	6	9	11	12	10	8	5	2	1	1	-	-	-	-

Tuesday (30 December 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)	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°
Feels like temperature (°C)	23°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	23°	23°	23°	23°	23°	23°	23°	23°	22°	22°
Wind direction and speed (mph)	ESE 15	ESE 15	ESE 15	ESE 15	ESE 15	ESE 15	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 15	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	SE 17	SE 17	SE 17
Wind gust (mph)	21	21	21	21	21	22	22	22	22	22	22	22	22	21	21	21	21	22	22	22	22	22	22	22
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%	78%	78%	79%	79%	78%	78%	78%	77%	77%	77%	76%	76%	75%	75%	76%	76%	76%	75%	76%	76%
UV	-	-	-	-	-	-	1	1	2	4	6	10	12	11	11	8	5	2	1	1	-	-	-	-

Wednesday (31 December 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)	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°
Feels like temperature (°C)	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	23°	23°	22°	23°
Wind direction and speed (mph)	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 18	SE 18	SE 19	SE 19	SE 19	SE 19	SE 18	SE 18	SE 18	SE 17	SE 18	SE 17	SE 17	SE 17	SE 17	SE 16	SE 17	SE 16
Wind gust (mph)	23	23	23	24	24	24	25	25	26	26	25	25	24	25	24	24	24	23	23	23	22	23	22	22
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	78%	78%	79%	81%	81%	82%	82%	82%	82%	82%	81%	81%	78%	77%	76%	76%	76%	76%	76%	75%	75%	75%	75%	75%
UV	-	-	-	-	-	-	1	1	2	4	8	11	13	12	11	8	5	2	1	1	-	-	-	-

Thursday (1 January 2026)

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)	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°
Feels like temperature (°C)	23°	23°	23°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	22°	23°	23°	23°	23°	23°	23°
Wind direction and speed (mph)	SE 16	SE 15	SE 15	SE 15	SE 15	SE 16	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 17	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	SE 16	SE 15	SE 15	SE 15
Wind gust (mph)	21	21	21	21	22	22	23	23	23	24	23	23	23	23	22	22	23	22	22	23	22	22	21	21
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	2	5	8	10	13	13	10	7	5	2	1	1	-	-	-	-

Friday (2 January 2026)

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)	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	25°	24°	24°	25°	24°
Feels like 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°
Wind direction and speed (mph)	SE 15	SE 14	SE 14	SE 14	SE 14	SE 15	SE 14	SE 15	SE 15	SE 15	SE 14	SE 14	SE 14	SE 14	SE 13	SE 13	SE 14	SE 14	SE 15	SE 15	SE 15	SE 15	SE 15	SE 15
Wind gust (mph)	21	20	20	20	20	20	21	21	20	20	20	20	19	19	19	20	20	20	21	21	21	21	21	21
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%	74%	74%	74%	75%	75%	74%	75%	75%	75%	75%	75%	75%
UV	-	-	-	-	-	-	1	1	2	5	8	11	12	13	11	8	5	2	1	1	-	-	-	-

Saturday (3 January 2026)

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°	24°	24°	24°	25°	25°	25°	25°
Feels like temperature (°C)	23°	23°	23°	23°	23°	24°	24°	23°
Wind direction and speed (mph)	ESE 15	ESE 14	ESE 14	ESE 15	ESE 14	ESE 12	SE 14	SE 15
Wind gust (mph)	21	20	20	20	19	19	20	21
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	75%	75%	75%
UV	-	-	1	5	13	8	1	-

Sunday (4 January 2026)

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)	25°	24°	24°	24°	24°	25°	25°	25°
Feels like temperature (°C)	23°	23°	22°	22°	23°	23°	23°	22°
Wind direction and speed (mph)	ESE 15	ESE 15	ESE 17	ESE 17	ESE 16	SE 16	SE 17	SE 18
Wind gust (mph)	21	22	24	23	23	23	24	25
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	76%	76%	76%	75%	75%	76%
UV	-	-	1	5	12	8	1	-

UK video forecast

weather map

Forecast

Forecast for 3am (UTC) Monday

Updated 00:27 (UTC) on Mon 29 Dec 2025

Loading map...

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

Find a forecast

Forecast days

Today

Today

Tue 30 Dec

Tue 30 Dec

Wed 31 Dec

Wed 31 Dec

Thu 1 Jan

Thu 1 Jan

Fri 2 Jan

Fri 2 Jan

Sat 3 Jan

Sat 3 Jan

Sun 4 Jan

Sun 4 Jan

7 day forecast for Ascension Wideawake

Tooltip header

UK video forecast

Nearest forecasts

More from the Met Office

Causes of climate change

Forecasting fact-busters - lesson plan

Red sky at night and other weather lore

Careers in weather and climate

Bringing data to life - lesson plan

3 tips for staying safe in fog