Capitol Hill Weather Forecast

    • 55
    • 72

    Rain

    • 54
    • 68

    Rain

    • 54
    • 69

    Mostly Cloudy

    • 55
    • 72

    Mostly Cloudy

    • 55
    • 71

    Chance Rain

    • 54
    • 67

    Rain Likely

Today 28 Aug City of Seattle

Cloudy in the morning then becoming mostly sunny. Highs near 70. Light wind.

Tonight 28 Aug City of Seattle

Mostly cloudy in the Evening, then a slight chance of Showers late in the evening. Cloudy with a chance of Showers after midnight. Lows in the 50s. North wind to 10 Mph in the evening becoming light.

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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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