Ascension Island weather live forecast

Today's maximum temperature in Ascension Island is expected to be 79°F. Select a day from the live weather forecast for Ascension Island, St Helena & Islands for more weather parameters.

5-day weather forecast updated at 04:03 on Sunday 5th October 2025 GMT

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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 Monday 6th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, 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 fresh breeze of 19 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 19 mph from the South-East19
    mph wind from SE

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Ascension Island weather for Tuesday 7th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 18 mph from the South-East18
    mph wind from SE

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Ascension Island weather for Wednesday 8th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Fresh breeze of 19 mph from the South-East19
    mph wind from SE

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Ascension Island weather for Thursday 9th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the South-East17
    mph wind from SE

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Ascension Island weather for Friday 10th October 2025

Expect broken clouds in Ascension Island, St Helena & Islands with a maximum temperature of 77°F, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 18 mph from the South-East18
    mph wind from SE

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Metric (°C)  |  Imperial (°F)

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