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 Monday 1st 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 Monday 1st December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a light breeze of 7 mph from the south-east.

  • 45°F maximum temperature45
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 96% chance of some rain96
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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Friday Harbor weather for Tuesday 2nd December 2025

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 45°F and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a light breeze of 6 mph from the north.

  • 45°F maximum temperature45
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 16% chance of some rain16
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Light breeze of 6 mph from the North6
    mph wind from N

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Friday Harbor weather for Wednesday 3rd December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 43°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and little or no wind of 4 mph from the south-east.

  • 43°F maximum temperature43
    °F maximum temperature
  • 39°F minimum temperature39
    °F 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)
  • 80% chance of some rain80
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Little or no wind of 4 mph from the South-East4
    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 5-10 mm of rainfall expected with 85% chance of some rain and a light breeze of 6 mph from the south-east.

  • 45°F maximum temperature45
    °F maximum temperature
  • 41°F minimum temperature41
    °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)
  • 85% chance of some rain85
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Light breeze of 6 mph from the South-East6
    mph wind from SE

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Friday Harbor weather for Friday 5th December 2025

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 50°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 15 mph from the south-west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °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)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Moderate breeze of 15 mph from the South-West15
    mph wind from SW

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Expires at 23:59 on Thursday 4th Dec 2025

Metric (°C)  |  Imperial (°F)

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