Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 26°C. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

Thursday
24th Sep
26

22

6

10
Friday
25th Sep
26

22

4

11
Saturday
26th Sep
26

23

5

11
Sunday
27th Sep
26

23

4

11
Monday
28th Sep
26

23

8

9

5-day weather forecast updated at 04:02 on Thursday 24th September 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 Thursday 24th September 2026

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 26°C, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

26
°C maximum temperature
22
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
23
kph wind from SE

Ascension Island weather for Friday 25th September 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 11+ (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

26
°C maximum temperature
22
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from E

Ascension Island weather for Saturday 26th September 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 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SE

Ascension Island weather for Sunday 27th September 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 11 (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from SE

Ascension Island weather for Monday 28th September 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 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.