Ascension Island weather live forecast

Tomorrow's maximum temperature in Ascension Island is expected to be 27°C.

Monday
16th Jun

27

24

5
Tuesday
17th Jun

28

24

5
Wednesday
18th Jun

28

24

6
Thursday
19th Jun

28

25

6
Friday
20th Jun

27

24

5

5-day weather forecast updated at 04:02 on Sunday 15th June 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 16th June 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 27°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 moderate breeze of 21 kph from the south-east.

27
°C maximum temperature
24
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from SE

Ascension Island weather for Tuesday 17th June 2025

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 gentle breeze of 19 kph from the south-east.

28
°C maximum temperature
24
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from SE

Ascension Island weather for Wednesday 18th June 2025

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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from E

Ascension Island weather for Thursday 19th June 2025

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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
28
kph wind from SE

Ascension Island weather for Friday 20th June 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-east.