Weather forecast for today
Jamestown, Saint Helena, Ascension and Tristan da Cunha

Weather forecast for today

Sunday, May 11.

Partly Cloudy
06:35

18:02
GMT
Partly Cloudy
70°F / 66°F
  • Wind: 19mph ESE
  • Humidity: 83%
  • Precip. probability: 13%
  • Precipitation: 0"
  • UV index: 8
On Sunday, 11th of May, high-altitude clouds may scatter across the sky, but the sun will still shine.
Day and night temperatures will subtly differ, ranging from a peak of a delightful 21°C to a low of an enjoyable 19°C.
The expected high will be a couple of degrees lower than May's standard temperature of 24°C.
Sunrise was at 06:35 and sunset will be at 18:02; the daylight will last for 11h and 27min.

Current condition

Mostly Cloudy
12:11 GMT
Mostly Cloudy
  • 70°F
  • Feels like: 70°F
  • Wind: 19mph E
  • Humidity: 81%
  • Dewpoint: 63°F
  • Pressure: 30.15"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 7
In, at the moment, sunlight is faintly visible through the mostly cloudy conditions.
The temperature is a pleasant 21°C. The present temperature is at its highest of the day.

Weather radar - Jamestown, Saint Helena, Ascension and Tristan da Cunha

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?
The current temperature (12:11 GMT) is 21°C.
What is the weather forecast for for today?
On Sunday, sunny moments will alternate with patchy cloud cover.
What will be the highest temperature today?
Today, the maximum temperature will be 21°C, while the minimum temperature will be 19°C.
The highest temperature today will be slightly cooler than the average maximum temperature in May. Today, the lowest temperature will be in line with the average low temperature.
When are sunrise and sunset today?
On Sunday, in, sunrise was at 06:35 and sunset will be at 18:02 (GMT).
How long is the day today?
Today in, the daylight will last for 11h and 27min.

Hourly weather forecast

13h
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.12"Hg
  • Humidity: 80%
  • Precip. probability: 12%
  • Precipitation: 0"
  • Visibility: 10mi
14h
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 81%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
15h
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 18mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 81%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
16h
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 83%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
17h
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 85%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
18h
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 88%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 18:02
19h
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 89%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
20h
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 90%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
21h
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 91%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
22h
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 92%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
23h
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 91%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
Today, cloudy skies are expected.
The temperature will be between a minimum of 20°C and a maximum of 22°C. The warmest part of the day will be around 16h.
The forecasted high will be relatively lower than the typical May maximum of 24°C. Today, the minimum temperature will be also in line with the average low for May.
Updated: May 11, 2025 @ 12:11:01 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate

Jamestown, Saint Helena, Ascension and Tristan da Cunha

  • en: Jamestown, Saint Helena, Ascension and Tristan da Cunha
  • es: Jamestown, Santa Elena
  • hr: Džejmstaun, Sv.Jelena, Asension i Tristan da Kunja
  • sr: Džejmstaun, Sv.Jelena, Asension i Tristan da Kunja
  • zh: 詹姆斯敦, 圣赫勒拿岛
  • Latitude: -15.928634°
  • Longitude: -5.715175°
  • Elevation: 190 ft
  • Current time: 12:51 GMT
  • Sunrise: 06:35 GMT
  • Sunset: 18:02 GMT
  • Timezone: Atlantic/St_Helena
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