Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 11°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

  • Tuesday
    9th Dec
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Wednesday
    10th Dec
    Cloudy with some rain (30-40 mm of rainfall expected)
  • Thursday
    11th Dec
    Overcast skies
  • Friday
    12th Dec
    Overcast with light rain (2-5 mm of rainfall expected)
  • Saturday
    13th Dec
    Cloudy with some rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 10th 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 9th December 2025

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 20 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C 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)
  • 100% chance of some rain100
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 20 kph from the South-East20
    kph wind from SE

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Friday Harbor weather for Wednesday 10th December 2025

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 12°C and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 12°C maximum temperature12
    °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
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Friday Harbor weather for Thursday 11th December 2025

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 11°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °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
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Friday Harbor weather for Friday 12th December 2025

Expect overcast with light rain in Friday Harbor, Washington State with a maximum temperature of 9°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 94% chance of some rain and little or no wind of 6 kph from the south-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 94% chance of some rain94
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 8°C wind chill8
    °C wind chill
  • Little or no wind of 6 kph from the South-East6
    kph wind from SE

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Friday Harbor weather for Saturday 13th December 2025

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 11°C, 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 light breeze of 9 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some 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
  • 11°C wind chill11
    °C wind chill
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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

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