Seattle weather in October

Check the Weather in Seattle, Washington in October before you book your next holiday. This gives the best indication of the weather in October and includes figures for temperature, sunshine and rainfall.

  • 16°C maximum daytime temperature in October in Seattle16
    16°C max day temperature
  • 5 hours of sunshine per day (42% of daylight hours) in October in Seattle5
    5 hours of sunshine per day
  • 12 days with some rainfall in October in Seattle12
    12 days with some rainfall
  • 8°C minimum night-time temperature in October in Seattle8
    8°C min night temperature
  • 11 hours of daylight per day in October in Seattle11
    11 hours of daylight per day
  • No heat & humidity in October in Seattle0
    No heat & humidity
  • 87 mm monthly rainfall in October in Seattle87
    87 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Seattle3
    3 (Moderate) UV index

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

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