St Peter Port weather live forecast

Today's maximum temperature in St Peter Port is expected to be 19°C. Select a day from the live weather forecast for St Peter Port, Guernsey for more weather parameters.

5-day weather forecast updated at 04:00 on Sunday 27th July 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.

St Peter Port weather forecast by day

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

St Peter Port weather for Sunday 27th July 2025

Expect mostly cloudy with light rain in St Peter Port, Guernsey with a maximum temperature of 19°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a moderate breeze of 22 kph from the north-west.

  • 19°C maximum temperature19
    °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 6 (High)6
    UV index (High)
  • 6% chance of some rain6
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

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St Peter Port weather for Monday 28th July 2025

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 20°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

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St Peter Port weather for Tuesday 29th July 2025

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 20°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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St Peter Port weather for Wednesday 30th July 2025

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 21°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    kph wind from NW

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St Peter Port weather for Thursday 31st July 2025

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 20°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the West21
    kph wind from W

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

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