Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 28°C. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Thursday
11th Jun
28

25

7

8
Friday
12th Jun
29

25

8

8
Saturday
13th Jun
29

25

4

8
Sunday
14th Jun
28

25

5

7
Monday
15th Jun
28

25

5

8

5-day weather forecast updated at 04:03 on Thursday 11th June 2026 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 11th June 2026

Expect scattered clouds in Ascension Island, St Helena & Islands with a maximum temperature of 28°C, 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 27 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from SE

Ascension Island weather for Friday 12th June 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from SE

Ascension Island weather for Saturday 13th June 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from SE

Ascension Island weather for Sunday 14th June 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 28°C, 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 fresh breeze of 30 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from SE

Ascension Island weather for Monday 15th June 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 28°C, 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 fresh breeze of 32 kph from the south-east.