Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 50°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 Friday 5th 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 Friday 5th December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 50°F and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 18 mph from the south-west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 68% chance of some rain68
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 18 mph from the South-West18
    mph wind from SW

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Friday Harbor weather for Saturday 6th December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 50°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 19 mph from the south-west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °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)
  • 60% chance of some rain60
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Fresh breeze of 19 mph from the South-West19
    mph wind from SW

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Friday Harbor weather for Sunday 7th December 2025

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 50°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 12 mph from the south-east.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °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)
  • 61% chance of some rain61
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Gentle breeze of 12 mph from the South-East12
    mph 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 52°F and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 12 mph from the south-east.

  • 52°F maximum temperature52
    °F maximum temperature
  • 46°F minimum temperature46
    °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)
  • 93% chance of some rain93
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 12 mph from the South-East12
    mph 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 50°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Moderate breeze of 12 mph from the South-West12
    mph wind from SW

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