Weather forecast for 10 days
Ascension Island, Saint Helena, Ascension and Tristan da Cunha

Weather forecast for the weekend

Saturday, 10. May

Partly Cloudy / Wind
06:59

18:48
GMT
Partly Cloudy / Wind
27°C / 24°C
  • Wind: 37km/h ESE
  • Humidity: 83%
  • Precip. probability: 22%
  • Precipitation: 0mm
  • UV index: 11
Today, in Ascension Island, breezy and partly cloudy conditions will persist throughout the day.
The peak daytime temperature will reach a temperate 27°C, while the nighttime temperature will drop to a warm 24°C.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a hot 30°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The predicted maximum temperature will be a few degrees lower than May's typical high of 31°C.
Sunrise will be at 06:59 and sunset at 18:48; the daylight will last for 11h and 49min.

Sunday, 11. May

Partly Cloudy / Wind
06:59

18:48
GMT
Partly Cloudy / Wind
27°C / 24°C
  • Wind: 36km/h ESE
  • Humidity: 79%
  • Precip. probability: 14%
  • Precipitation: 0mm
  • UV index: 11
Tomorrow, on Sunday, 11th of May, partly cloudy skies with gusty winds are also expected.
Minor temperature shifts are anticipated, peaking at a maximum of a temperate 27°C and dropping to a minimum of a warm 24°C.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a blazing 30°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The temperature is predicted to be a couple of degrees lower than the standard May peak of 31°C.
Sunrise will be at 06:59 and sunset at 18:48; tomorrow's daylight will last for 11h and 49min.

Frequently asked questions

What is the weather forecast for Ascension Island for tomorrow?
Tomorrow, patchy clouds and steady winds will continue.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 27°C, while the lowest temperature will be 24°C. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 30°C.
The highest temperature will be slightly cooler than the average maximum of 31°C in May. The lowest temperature will be in line with the average low of 24°C.
What time are sunrise and sunset tomorrow?
On Sunday, in Ascension Island, sunrise will be at 06:59 and sunset at 18:48 (GMT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 11h and 49min.
What is the weather forecast for Ascension Island for the next ten days?
In Ascension Island, gray, overcast skies are expected daily for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 26°C and 27°C, while the minimum temperature will be a persistent 24°C.
What will be the warmest and the coldest days in Ascension Island?
The warmest days will be Saturday through Wednesday, with a maximum of 27°C. All other days, the maximum temperature will be the same 26°C.

Long-term weather forecast

Sat10.May
  • 27°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 37km/h ESE
  • Humidity: 83%
  • UV index: 11
  • Precip. probability: 22%
  • Precipitation: 0mm
  • 06:59 18:48 GMT
Sun11.May
  • 27°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 36km/h ESE
  • Humidity: 79%
  • UV index: 11
  • Precip. probability: 14%
  • Precipitation: 0mm
  • 06:59 18:48 GMT
Mon12.May
  • 27°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h ESE
  • Humidity: 78%
  • UV index: 11
  • Precip. probability: 19%
  • Precipitation: 0mm
  • 06:59 18:47 GMT
Tue13.May
  • 27°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Wind: 30km/h SE
  • Humidity: 80%
  • UV index: 11
  • Precip. probability: 11%
  • Precipitation: 0mm
  • 06:59 18:47 GMT
Wed14.May
  • 27°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h SE
  • Humidity: 82%
  • UV index: 11
  • Precip. probability: 15%
  • Precipitation: 0mm
  • 06:59 18:47 GMT
Thu15.May
  • 26°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h SE
  • Humidity: 79%
  • UV index: 11
  • Precip. probability: 8%
  • Precipitation: 0mm
  • 07:00 18:47 GMT
Fri16.May
  • 26°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h SE
  • Humidity: 78%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0mm
  • 07:00 18:47 GMT
Sat17.May
  • 26°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h SE
  • Humidity: 78%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0mm
  • 07:00 18:47 GMT
Sun18.May
  • 26°C
  • 24°C
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 32km/h ESE
  • Humidity: 79%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0mm
  • 07:00 18:47 GMT
Mon19.May
  • 26°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Wind: 32km/h ESE
  • Humidity: 79%
  • UV index: 10
  • Precip. probability: 11%
  • Precipitation: 0mm
  • 07:00 18:47 GMT
The forecast shows that cloudy weather is expected.
Rainfall is not anticipated in Ascension Island in the upcoming days.
Highs will stay within a very narrow margin in the upcoming days. Expected highs will hover between 26°C and 27°C, while the minimum temperature will hold steady at 24°C.
Saturday through Wednesday, with the highest temperature of 27°C, will be the warmest days in Ascension Island; for the remaining days, the highest temperature will consistently be 26°C.
The warmest months are February through May, with an average high-temperature of 31°C.
Updated: May 10, 2025 @ 04:45:56 UTC
Published by: Weather Atlas | About Us
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