Capitol Hill Weather Forecast

    • 54
    • 69

    Gradual Clearing

    • 55
    • 72

    Partly Sunny

    • 57
    • 73

    Chance Rain

    • 54
    • 67

    Rain Likely

    • 53
    • 66

    Chance Rain

    • 53
    • 68

    Chance Rain

Today 30 Aug City of Seattle

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 30 Aug City of Seattle

Partly cloudy. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol Hill Temperature Statistics

August Temperature

Boeing Field - King County International Airport (5 miles)

  • Lowest 3 August, 2026

    55 °F

  • Average August

    68.3 °F

  • Highest 6 August, 2026

    86 °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

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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