Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 25°C. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Friday
5th Sep
25

23

6

7
Saturday
6th Sep
25

23

7

8
Sunday
7th Sep
26

23

6

8
Monday
8th Sep
25

23

6

9
Tuesday
9th Sep
26

23

6

6

5-day weather forecast updated at 04:04 on Friday 5th September 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 Friday 5th September 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 25°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-east.

25
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from SE

Ascension Island weather for Saturday 6th September 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

25
°C maximum temperature
23
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SE

Ascension Island weather for Sunday 7th September 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
20
kph wind from SE

Ascension Island weather for Monday 8th September 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

25
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SE

Ascension Island weather for Tuesday 9th September 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.