Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 45°F. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 3rd 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 Tuesday 2nd December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 45°F and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a light breeze of 5 mph from the north.

  • 45°F maximum temperature45
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Light breeze of 5 mph from the North5
    mph wind from N

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Friday Harbor weather for Wednesday 3rd December 2025

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 45°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

  • 45°F maximum temperature45
    °F maximum temperature
  • 37°F minimum temperature37
    °F 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
  • 41°F wind chill41
    °F wind chill
  • Light breeze of 5 mph from the South-East5
    mph wind from SE

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Friday Harbor weather for Thursday 4th December 2025

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 45°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 8 mph from the south-east.

  • 45°F maximum temperature45
    °F maximum temperature
  • 43°F minimum temperature43
    °F 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)
  • 72% chance of some rain72
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Gentle breeze of 8 mph from the South-East8
    mph wind from SE

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Friday Harbor weather for Friday 5th December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 48°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 13 mph from the south-west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 90% chance of some rain90
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Moderate breeze of 13 mph from the South-West13
    mph wind from SW

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Friday Harbor weather for Saturday 6th December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 48°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 12 mph from the south-west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Gentle breeze of 12 mph from the South-West12
    mph wind from SW

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