Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 27°C. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Saturday
2nd May
27

26

4

8
Sunday
3rd May
26

26

3

10
Monday
4th May
26

26

3

10
Tuesday
5th May
26

26

6

10
Wednesday
6th May
26

26

6

10

5-day weather forecast updated at 04:02 on Saturday 2nd May 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 Saturday 2nd May 2026

Expect isolated thunderstorms 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 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a fresh breeze of 32 kph from the south-east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
31
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
32
kph wind from SE

Ascension Island weather for Sunday 3rd May 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-east.

26
°C maximum temperature
26
°C minimum temperature
broken clouds
3
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from SE

Ascension Island weather for Monday 4th May 2026

26
°C maximum temperature
26
°C minimum temperature
broken clouds
3
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
33
kph wind from SE

Ascension Island weather for Tuesday 5th May 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the south-east.