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

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Forecast days

Today

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

Sunrise: 06:41

Sunset: 19:16

Overcast changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Sun 28 Dec

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

Sunrise: 06:42

Sunset: 19:17

Cloudy changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Sun 28 Dec

Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 24° Celsius;
Mon 29 Dec

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

Sunrise: 06:42

Sunset: 19:17

Overcast changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Mon 29 Dec

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Tue 30 Dec

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

Sunrise: 06:43

Sunset: 19:18

Overcast changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Tue 30 Dec

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Wed 31 Dec

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

Sunrise: 06:43

Sunset: 19:18

Overcast changing to sunny intervals by late morning.

Ex UV

No pollution data.

No pollen data.

Wed 31 Dec

Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Thu 1 Jan

Maximum daytime temperature: 25° 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: 25° Celsius; Minimum nighttime temperature: 24° Celsius;
Fri 2 Jan

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

Sunrise: 06:44

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;

Overcast changing to sunny intervals by late morning.

Sunrise: 06:41

Sunset: 19:16

Ex UV

No pollution data.

No pollen data.

7 day forecast for Ascension

Today (27 December 2025)

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

Sunday (28 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°	23°	23°	23°	23°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	24°	23°	24°	23°	23°	23°	23°
Wind direction and speed (mph)	SE 12	SE 12	SE 11	SE 11	SE 11	SE 10	ESE 10	ESE 10	ESE 10	ESE 11	ESE 11	ESE 11	SE 11	SE 11	SE 11	SE 11	SE 12	SE 12	SE 12	SE 12	SE 13	SE 13	SE 13	SE 13
Wind gust (mph)	17	17	16	16	15	15	15	15	15	15	16	16	16	16	16	17	17	17	18	18	18	18	18	18
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	12	12	10	7	4	2	1	1	-	-	-	-

Monday (29 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°	25°	24°
Feels like temperature (°C)	23°	23°	23°	24°	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 13	ESE 12	ESE 12	ESE 11	ESE 11	ESE 11	ESE 12	ESE 12	ESE 13	ESE 13	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 14	ESE 15	ESE 15	ESE 15	ESE 15	ESE 15
Wind gust (mph)	17	17	16	16	16	16	17	18	18	19	19	19	19	19	19	19	19	19	20	20	21	20	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	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	76%	76%	76%	77%	76%	76%	76%	76%	76%	76%	76%	76%
UV	-	-	-	-	-	-	1	1	2	5	7	9	11	12	10	7	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°	25°	25°	25°	25°	25°	25°	25°	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°	22°
Wind direction and speed (mph)	ESE 15	ESE 15	ESE 15	ESE 14	ESE 14	ESE 15	ESE 15	ESE 15	ESE 15	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 16	ESE 17	ESE 17	ESE 17	ESE 17	ESE 17	ESE 17	ESE 17	ESE 17
Wind gust (mph)	20	20	20	19	20	20	21	21	21	21	22	22	21	22	22	22	22	23	23	23	23	23	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	77%	77%	77%	76%	76%	76%	77%	78%	78%	78%	78%	77%	77%	77%	77%	77%	77%	76%	76%	76%	77%	77%	77%	77%
UV	-	-	-	-	-	-	1	1	2	4	7	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°	23°	23°	23°	23°	23°
Wind direction and speed (mph)	ESE 17	ESE 17	ESE 17	SE 17	SE 17	SE 17	SE 17	SE 18	SE 18	SE 19	SE 18	SE 18	SE 19	SE 19	SE 18	SE 18	SE 17	SE 17	SE 17	SE 17	SE 16	SE 16	SE 16	SE 15
Wind gust (mph)	24	23	23	23	23	24	24	25	25	25	25	25	25	25	24	24	24	23	23	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	77%	78%	78%	79%	79%	79%	78%	79%	80%	79%	79%	78%	79%	79%	77%	77%	76%	75%	75%	76%	75%	75%	75%	75%
UV	-	-	-	-	-	-	1	1	2	5	7	11	13	12	11	8	5	2	1	1	-	-	-	-

Thursday (1 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°	24°	24°	24°	24°
Feels like temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°
Wind direction and speed (mph)	SE 15	SE 14	SE 14	SE 15	SE 14	SE 14	SE 14	SE 14
Wind gust (mph)	20	20	21	21	21	20	20	20
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	75%	75%	75%	75%	75%	75%	74%	75%
UV	-	-	1	5	12	8	1	-

Friday (2 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°	24°	24°	25°	25°
Feels like temperature (°C)	23°	23°	23°	23°	23°	23°	23°	23°
Wind direction and speed (mph)	SE 14	SE 13	SE 14	SE 14	SE 13	SE 14	SE 14	SE 15
Wind gust (mph)	20	20	20	20	19	20	21	21
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	74%	75%	75%	74%	74%	74%	74%	75%
UV	-	-	1	5	13	8	1	-

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Forecast

Forecast for 5am (UTC) Saturday

Updated 00:18 (UTC) on Sat 27 Dec 2025

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

Find a forecast

Forecast days

Today

Today

Sun 28 Dec

Sun 28 Dec

Mon 29 Dec

Mon 29 Dec

Tue 30 Dec

Tue 30 Dec

Wed 31 Dec

Wed 31 Dec

Thu 1 Jan

Thu 1 Jan

Fri 2 Jan

Fri 2 Jan

7 day forecast for Ascension

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