Capitol Hill Weather Forecast

    • 44
    • 61

    Sunny

    • 46
    • 64

    Increasing Clouds

    • 45
    • 58

    Mostly Cloudy

    • 42
    • 56

    Partly Sunny

    • 44
    • 54

    Chance Rain

    • 43
    • 57

    Chance Rain

    • 43
    • 58

    Partly Sunny

Today 20 Oct City of Seattle

Partly sunny. Highs in the upper 50s.

Tonight 20 Oct City of Seattle

Clear. Lows in the 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 °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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