Capitol Hill Weather Forecast

    • 59
    • 75

    Increasing Clouds

    • 57
    • 75

    Decreasing Clouds

    • 58
    • 76

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 55
    • 72

    Partly Sunny

    • 54
    • 72

    Partly Sunny

Today 22 Aug City of Seattle

Partly sunny in the late morning and early afternoon then becoming sunny. Highs in the 70s. South wind around 10 Mph.

Tonight 22 Aug City of Seattle

Mostly clear in the evening then becoming mostly cloudy. Lows near 60. West wind to 10 Mph in the evening becoming light.

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  • 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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