Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 79°F. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Saturday
2nd Aug
79

73

7

8
Sunday
3rd Aug
79

73

5

8
Monday
4th Aug
79

73

5

8
Tuesday
5th Aug
79

73

6

7
Wednesday
6th Aug
79

73

5

6

5-day weather forecast updated at 04:03 on Friday 1st August 2025 GMT

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The 5-day weather forecast for St Helena & Islands (Ascension Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ascension Island weather forecast by day

Below are the detailed weather forecasts for Ascension Island for the next 5 days.

Ascension Island weather for Saturday 2nd August 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
mph wind from SE

Ascension Island weather for Sunday 3rd August 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
13
mph wind from SE

Ascension Island weather for Monday 4th August 2025

79
°F maximum temperature
73
°F minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
mph wind from SE

Ascension Island weather for Tuesday 5th August 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
18
mph wind from SE

Ascension Island weather for Wednesday 6th August 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-east.