Guernsey weather forecast

Get the latest coronavirus (Covid-19) updates for Guernsey with current travel advice and statistics on new cases per 100,000 and vaccine.

Last updated at 04:02 on Friday 6th August 2021 GMT

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The 5-day weather forecast for Guernsey is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

Guernsey weather forecast by day

Below are the detailed weather forecasts for Guernsey for the next 5 days. The forecasts shown are for St Peter Port and may not represent the whole of Guernsey. Browse more destinations in Guernsey to view more weather forecasts.

Guernsey weather for Friday 6th August 2021

Below is the Guernsey weather forecast for Friday 6th August 2021. Expect broken clouds in Guernsey with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Fresh breeze of 36 kph from the West36
    kph wind from W

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Guernsey weather for Saturday 7th August 2021

Below is the Guernsey weather forecast for Saturday 7th August 2021. Expect isolated thunderstorms in Guernsey with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a fresh breeze of 35 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 80% chance of some rain80
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Fresh breeze of 35 kph from the South-West35
    kph wind from SW

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Guernsey weather for Sunday 8th August 2021

Below is the Guernsey weather forecast for Sunday 8th August 2021. Expect mostly cloudy with light rain in Guernsey with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 34 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °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)
  • 65% chance of some rain65
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    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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Guernsey weather for Monday 9th August 2021

Below is the Guernsey weather forecast for Monday 9th August 2021. Expect mostly cloudy with light rain in Guernsey with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 29 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 15°C minimum temperature15
    °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)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the West29
    kph wind from W

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Guernsey weather for Tuesday 10th August 2021

Below is the Guernsey weather forecast for Tuesday 10th August 2021. Expect broken clouds in Guernsey with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

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

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