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.

Sunday
24th May
28

26

6

UV9
Monday
25th May
29

26

6

UV10
Tuesday
26th May
29

25

6

UV10
Wednesday
27th May
29

25

6

UV8
Thursday
28th May
29

26

6

UV8

5-day weather forecast updated at 04:02 on Sunday 24th May 2026 GMT

More about Ascension Island

Ascension Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Helena & Islands

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 Sunday 24th May 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 29 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from SE

Ascension Island weather for Monday 25th May 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 29°C, moderate 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 31 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from SE

Ascension Island weather for Tuesday 26th May 2026

29
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from SE

Ascension Island weather for Wednesday 27th May 2026

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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.