Guernsey weather live forecast

Today's maximum temperature in Guernsey is expected to be 73°F. Select a day from the live weather forecast for Guernsey (St Peter Port) for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 23rd August 2025 GMT

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The 5-day weather forecast for Guernsey, represented by St Peter Port, (St Peter Port) 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 Sunday 24th August 2025

Expect scattered clouds in Guernsey with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the east.

  • 73°F maximum temperature73
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Gentle breeze of 12 mph from the East12
    mph wind from E

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Guernsey weather for Monday 25th August 2025

Expect scattered clouds in Guernsey with a maximum temperature of 72°F, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 72°F wind chill72
    °F wind chill
  • Gentle breeze of 11 mph from the South-East11
    mph wind from SE

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Guernsey weather for Tuesday 26th August 2025

Expect broken clouds in Guernsey with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Moderate breeze of 14 mph from the West14
    mph wind from W

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Guernsey weather for Wednesday 27th August 2025

Expect sunshine and showers in Guernsey with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 16 mph from the south-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 61°F minimum temperature61
    °F 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)
  • 67% chance of some rain67
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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Guernsey weather for Thursday 28th August 2025

Expect isolated thunderstorms in Guernsey with a maximum temperature of 68°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 16 mph from the south-west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 80% chance of some rain80
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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