St Helier weather live forecast

Today's maximum temperature in St Helier is expected to be 17°C. Select a day from the live weather forecast for St Helier, Jersey for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 16th September 2025 GMT

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

St Helier weather forecast by day

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

St Helier weather for Tuesday 16th September 2025

Expect broken clouds in St Helier, Jersey with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 34 kph from the West34
    kph wind from W

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St Helier weather for Wednesday 17th September 2025

Expect broken clouds in St Helier, Jersey with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 28 kph from the South-West28
    kph wind from SW

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St Helier weather for Thursday 18th September 2025

Expect broken clouds in St Helier, Jersey with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 21 kph from the South-West21
    kph wind from SW

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St Helier weather for Friday 19th September 2025

Expect scattered clouds in St Helier, Jersey with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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St Helier weather for Saturday 20th September 2025

Expect mostly cloudy with light rain in St Helier, Jersey with a maximum temperature of 17°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a moderate breeze of 24 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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

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