Capitol Hill Weather Forecast

    • 56
    • 74

    Becoming Sunny

    • 57
    • 75

    Patchy Smoke

    • 59
    • 84

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 55
    • 72

    Partly Sunny

    • 54
    • 72

    Partly Sunny

Today 23 Aug City of Seattle

Partly sunny until late afternoon then becoming sunny. Highs in the lower to mid 70s. South wind around 10 Mph becoming southwest in the afternoon.

Tonight 23 Aug City of Seattle

Mostly clear. Lows in the mid to upper 50s. North wind to 10 Mph.

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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

    68.4 °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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