Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 26°C. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Monday
6th Oct
26

22

5

11
Tuesday
7th Oct
26

23

3

11
Wednesday
8th Oct
26

23

5

9
Thursday
9th Oct
25

23

5

9
Friday
10th Oct
25

23

3

10

5-day weather forecast updated at 04:03 on Sunday 5th October 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 Monday 6th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-east.

26
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from SE

Ascension Island weather for Tuesday 7th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
3
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from SE

Ascension Island weather for Wednesday 8th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from SE

Ascension Island weather for Thursday 9th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 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
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from SE

Ascension Island weather for Friday 10th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 25°C, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-east.