Capitol Hill Weather Forecast

    • 45
    • 58

    Increasing Clouds

    • 46
    • 59

    Decreasing Clouds

    • 44
    • 59

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 45
    • 58

    Chance Rain Showers

    • 42
    • 57

    Mostly Cloudy

    • 43
    • 56

    Slight Chance Rain Showers

Today 18 Oct City of Seattle

Mostly cloudy with a chance of rain. Highs in the mid 50s.

Tonight 18 Oct City of Seattle

Mostly cloudy. Lows in the mid to upper 40s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol Hill Temperature Statistics

October Temperature

Boeing Field - King County International Airport (5 miles)

  • Lowest 12 October, 2026

    37.9 °F

  • Average October

    57.3 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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