Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 81°F. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Sunday
27th Jul
81

73

5

8
Monday
28th Jul
81

73

6

9
Tuesday
29th Jul
79

75

4

6
Wednesday
30th Jul
81

75

5

8
Thursday
31st Jul
81

75

5

7

5-day weather forecast updated at 04:03 on Sunday 27th July 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 Sunday 27th July 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 81°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 16 mph from the south-east.

81
°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
16
mph wind from SE

Ascension Island weather for Monday 28th July 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-east.

81
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
mph wind from SE

Ascension Island weather for Tuesday 29th July 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 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the south-east.

79
°F maximum temperature
75
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
15
mph wind from SE

Ascension Island weather for Wednesday 30th July 2025

81
°F maximum temperature
75
°F minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
mph wind from E

Ascension Island weather for Thursday 31st July 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the east.