Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 10°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

  • Sunday
    7th Dec
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    8th Dec
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Tuesday
    9th Dec
    Overcast skies
  • Wednesday
    10th Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Thursday
    11th Dec
    Mostly cloudy with rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Sunday 7th December 2025 GMT

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The 5-day weather forecast for Washington State (Friday Harbor) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Friday Harbor weather forecast by day

Below are the detailed weather forecasts for Friday Harbor for the next 5 days.

Friday Harbor weather for Sunday 7th December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 10°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 53% chance of some rain53
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Friday Harbor weather for Monday 8th December 2025

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 11°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 22 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 100% chance of some rain100
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    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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Friday Harbor weather for Tuesday 9th December 2025

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 10°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Moderate breeze of 21 kph from the South-West21
    kph wind from SW

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Friday Harbor weather for Wednesday 10th December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 10°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 19 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 51% chance of some rain51
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Friday Harbor weather for Thursday 11th December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 7°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 49% chance of some rain and little or no wind of 6 kph from the north-east.

  • 7°C maximum temperature7
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 49% chance of some rain49
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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

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