Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 18°C. 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 Saturday 26th July 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 Saturday 26th July 2025

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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Friday Harbor weather for Sunday 27th July 2025

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 19°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Friday Harbor weather for Monday 28th July 2025

Expect clear skies in Friday Harbor, Washington State with a maximum temperature of 20°C, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Friday Harbor weather for Tuesday 29th July 2025

Expect clear skies in Friday Harbor, Washington State with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Friday Harbor weather for Wednesday 30th July 2025

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 21°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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

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