Guernsey weather forecast

  • Monday
    18th Jan
    Overcast with light rain (2-5 mm of rainfall expected)
  • Tuesday
    19th Jan
    Overcast with light rain (2-5 mm of rainfall expected)
  • Wednesday
    20th Jan
    Isolated thunderstorms (5-10 mm of rainfall expected)
  • Thursday
    21st Jan
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    22nd Jan
    Isolated thunderstorms (5-10 mm of rainfall expected)

Last updated at 04:02 on Monday 18th January 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.

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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 Monday 18th January 2021

Below is the Guernsey weather forecast for Monday 18th January 2021. Expect overcast with light rain in Guernsey with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 36 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 77% chance of some rain77
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Fresh breeze of 36 kph from the South-West36
    kph wind from SW

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Guernsey weather for Tuesday 19th January 2021

Below is the Guernsey weather forecast for Tuesday 19th January 2021. Expect overcast with light rain in Guernsey with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a strong breeze of 41 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 89% chance of some rain89
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 41 kph from the South-West41
    kph wind from SW

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Guernsey weather for Wednesday 20th January 2021

Below is the Guernsey weather forecast for Wednesday 20th January 2021. Expect isolated thunderstorms in Guernsey with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a strong breeze of 48 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 98% chance of some rain98
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 48 kph from the South-West48
    kph wind from SW

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Guernsey weather for Thursday 21st January 2021

Below is the Guernsey weather forecast for Thursday 21st January 2021. Expect mostly cloudy with rain in Guernsey with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a strong breeze of 45 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 71% chance of some rain71
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Strong breeze of 45 kph from the West45
    kph wind from W

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Guernsey weather for Friday 22nd January 2021

Below is the Guernsey weather forecast for Friday 22nd January 2021. Expect isolated thunderstorms in Guernsey with a maximum temperature of 8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a fresh breeze of 30 kph from the north-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 62% chance of some rain62
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Fresh breeze of 30 kph from the North-West30
    kph wind from NW

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

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