Capitol Hill Weather Forecast

    • 58
    • 76

    Becoming Sunny

    • 58
    • 75

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 58
    • 80

    Mostly Cloudy

    • 59
    • 80

    Mostly Cloudy

Today 11 Aug City of Seattle

Sunny. Highs in the 70s. Light wind.

Tonight 11 Aug City of Seattle

Mostly clear. Lows near 60. North wind around 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • 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

    69.1 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Boeing Field - King County International Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads