Ascension Island weather live forecast

Tomorrow's maximum temperature in Ascension Island is expected to be 29°C.

Thursday
15th May

29

26

6
Friday
16th May

29

26

5
Saturday
17th May

29

26

7
Sunday
18th May

29

26

6
Monday
19th May

29

26

5

5-day weather forecast updated at 04:02 on Thursday 15th May 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 15th May 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
31
kph wind from SE

Ascension Island weather for Friday 16th May 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, moderate 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 29 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from SE

Ascension Island weather for Saturday 17th May 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, moderate 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.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SE

Ascension Island weather for Sunday 18th May 2025

29
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from SE

Ascension Island weather for Monday 19th May 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°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 32 kph from the south-east.