Ascension Island weather live forecast

Tomorrow's maximum temperature in Ascension Island is expected to be 86°F.

Thursday
17th Apr

86

79

5
Friday
18th Apr

84

79

7
Saturday
19th Apr

86

79

9
Sunday
20th Apr

86

79

7
Monday
21st Apr

86

79

6

5-day weather forecast updated at 04:02 on Thursday 17th April 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 Thursday 17th April 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the south-east.

86
°F maximum temperature
79
°F minimum temperature
broken clouds
5
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
mph wind from SE

Ascension Island weather for Friday 18th April 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the south-east.

84
°F maximum temperature
79
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
mph wind from SE

Ascension Island weather for Saturday 19th April 2025

Expect scattered clouds in Ascension Island, St Helena & Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-east.

86
°F maximum temperature
79
°F minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
17
mph wind from SE

Ascension Island weather for Sunday 20th April 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-east.

86
°F maximum temperature
79
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
mph wind from SE

Ascension Island weather for Monday 21st April 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (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.