Friday Harbor weather in October 2025

Expect 14°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Friday Harbor in October. Check more long-term weather averages for Friday Harbor in October before you book your next holiday to Washington State in 2025/2026.

  • 14°C maximum daytime temperature in October in Friday Harbor14
    14°C max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in October in Friday Harbor14
    14 days with some rainfall
  • 7°C minimum night-time temperature in October in Friday Harbor7
    7°C min night temperature
  • 11 hours of daylight per day in October in Friday Harbor11
    11 hours of daylight per day
  • No heat & humidity in October in Friday Harbor0
    No heat & humidity
  • 66 mm monthly rainfall in October in Friday Harbor66
    66 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Friday Harbor2
    2 (Low) UV index
  • 10°C sea temperature in October in Friday Harbor10
    10°C sea temperature

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The October weather guide for Washington State (Friday Harbor) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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More about the USA

How warm is it in Friday Harbor in October?

Daytime temperatures usually reach 14°C in Friday Harbor in October, falling to 7°C at night.

How sunny is it in Friday Harbor in October?

There are normally 4 hours of bright sunshine each day in Friday Harbor in October - that's 39% of daylight hours.

Is the sea cold around Friday Harbor in October?

The average sea temperature around Friday Harbor in October is 10°C.

Does it rain in Friday Harbor in October?

There are usually 14 days with some rain in Friday Harbor in October and the average monthly rainfall is 66mm.

Friday Harbor October sunrise & sunset times

Browse the sunrise and sunset times for Friday Harbor in October 2025. Select a month to view Friday Harbor sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:12 17:50
Thursday, 16th October 2025 06:34 17:20
Friday, 31st October 2025 06:57 16:53

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