Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 43°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 7th January 2026 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 Wednesday 7th January 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 43°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 14 mph from the south-west.

  • 43°F maximum temperature43
    °F maximum temperature
  • 41°F minimum temperature41
    °F 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)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 36°F wind chill36
    °F wind chill
  • Moderate breeze of 14 mph from the South-West14
    mph wind from SW

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Friday Harbor weather for Thursday 8th January 2026

Expect mostly cloudy with light 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 2-5 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 11 mph from the south-west.

  • 45°F maximum temperature45
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 77% chance of some rain77
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

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Friday Harbor weather for Friday 9th January 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 46°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 46°F maximum temperature46
    °F maximum temperature
  • 43°F minimum temperature43
    °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)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Friday Harbor weather for Saturday 10th January 2026

Expect overcast with light 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 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 8 mph from the south-east.

  • 48°F maximum temperature48
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 51% chance of some rain51
    % 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 8 mph from the South-East8
    mph wind from SE

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Friday Harbor weather for Sunday 11th January 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 48°F 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 9 mph from the south-east.

  • 48°F maximum temperature48
    °F maximum temperature
  • 45°F minimum temperature45
    °F 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)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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