St Helena weather live forecast

Tomorrow's maximum temperature in St Helena is expected to be 21°C.

5-day weather forecast updated at 04:02 on Monday 17th March 2025 GMT

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The 5-day weather forecast for St Helena & Islands (St Helena) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Helena weather forecast by day

Below are the detailed weather forecasts for St Helena for the next 5 days.

St Helena weather for Monday 17th March 2025

Expect broken clouds in St Helena, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 20°C minimum temperature20
    °C 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
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 28 kph from the South-East28
    kph wind from SE

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St Helena weather for Tuesday 18th March 2025

Expect broken clouds in St Helena, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 24 kph from the South-East24
    kph wind from SE

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St Helena weather for Wednesday 19th March 2025

Expect broken clouds in St Helena, St Helena & Islands with a maximum temperature of 21°C, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 24 kph from the South-East24
    kph wind from SE

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St Helena weather for Thursday 20th March 2025

Expect broken clouds in St Helena, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 19°C minimum temperature19
    °C 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
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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St Helena weather for Friday 21st March 2025

Expect sunshine and showers in St Helena, St Helena & Islands with a maximum temperature of 20°C, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Metric (°C / mm)  |  Imperial (°F / inches)

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