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.

Tuesday
16th Jun
28

25

5

9
Wednesday
17th Jun
29

25

6

8
Thursday
18th Jun
28

25

6

9
Friday
19th Jun
28

25

7

9
Saturday
20th Jun
28

24

5

8

5-day weather forecast updated at 04:03 on Monday 15th 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 Tuesday 16th 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 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
35
kph wind from SE

Ascension Island weather for Wednesday 17th 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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
35
kph wind from E

Ascension Island weather for Thursday 18th 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 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.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from SE

Ascension Island weather for Friday 19th 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 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from SE

Ascension Island weather for Saturday 20th 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 moderate breeze of 21 kph from the south-east.