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.

Wednesday
2nd Sep
26

23

3

5
Thursday
3rd Sep
26

23

3

9
Friday
4th Sep
26

23

3

6
Saturday
5th Sep
26

23

5

7
Sunday
6th Sep
26

23

6

7

5-day weather forecast updated at 04:03 on Wednesday 2nd 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 Wednesday 2nd 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 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
28
kph wind from SE

Ascension Island weather for Thursday 3rd 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 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
3
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 Friday 4th 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 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from SE

Ascension Island weather for Saturday 5th 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 7 (High) and 5 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
23
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from SE

Ascension Island weather for Sunday 6th 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 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.