St Peter Port weather live forecast

Tomorrow's maximum temperature in St Peter Port is expected to be 9°C.

  • Tuesday
    18th Mar
    Scattered clouds
  • Wednesday
    19th Mar
    Broken clouds
  • Thursday
    20th Mar
    Scattered clouds
  • Friday
    21st Mar
    Isolated thunderstorms (5-10 mm of rainfall expected)
  • Saturday
    22nd Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Tuesday 18th March 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 Tuesday 18th March 2025

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 27 kph from the East27
    kph wind from E

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St Peter Port weather for Wednesday 19th March 2025

Expect broken clouds in St Peter Port, Guernsey with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 21 kph from the South-East21
    kph wind from SE

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St Peter Port weather for Thursday 20th March 2025

Expect scattered clouds in St Peter Port, Guernsey with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-East22
    kph wind from SE

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St Peter Port weather for Friday 21st March 2025

Expect isolated thunderstorms in St Peter Port, Guernsey with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 27 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 27 kph from the South-East27
    kph wind from SE

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St Peter Port weather for Saturday 22nd March 2025

Expect mostly cloudy with light rain in St Peter Port, Guernsey with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 22 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 56% chance of some rain56
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-East22
    kph wind from SE

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

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