St Helier weather live forecast

Today's maximum temperature in St Helier is expected to be 23°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 Wednesday 27th August 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 Wednesday 27th August 2025

Expect mostly cloudy with light rain in St Helier, Jersey with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 26 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 94% chance of some rain94
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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St Helier weather for Thursday 28th August 2025

Expect sunshine and showers in St Helier, Jersey with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 30 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 72% chance of some rain72
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the South-West30
    kph wind from SW

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St Helier weather for Friday 29th August 2025

Expect isolated thunderstorms in St Helier, Jersey with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 31 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 67% chance of some rain67
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 31 kph from the West31
    kph wind from W

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St Helier weather for Saturday 30th August 2025

Expect mostly cloudy with rain in St Helier, Jersey with a maximum temperature of 23°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a fresh breeze of 35 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 81% chance of some rain81
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Fresh breeze of 35 kph from the South-West35
    kph wind from SW

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St Helier weather for Sunday 31st August 2025

Expect isolated thunderstorms in St Helier, Jersey with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 32 kph from the west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 75% chance of some rain75
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Fresh breeze of 32 kph from the West32
    kph wind from W

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

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