Capitol Hill Weather Forecast

    • 48
    • 55

    Slight Chance Rain

    • 48
    • 55

    Rain

    • 50
    • 54

    Rain

    • 47
    • 57

    Rain

    • 41
    • 51

    Rain

    • 41
    • 46

    Rain

Today 12 Dec City of Seattle

Cloudy. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the mid to upper 50s. South wind to 10 Mph.

Tonight 12 Dec City of Seattle

Mostly cloudy. A slight chance of rain in the evening. Lows near 50. South wind around 10 Mph.

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Capitol Hill Temperature Statistics

December Temperature

Boeing Field - King County International Airport (5 miles)

  • Lowest 1 December, 2025

    34 °F

  • Average December

    49 °F

  • Highest 8 December, 2025

    57.9 °F

Climate (2020–Present)

Boeing Field - King County International Airport (5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    61.5 °F
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