Capitol Hill Weather Forecast

    • 59
    • 79

    Increasing Clouds

    • 58
    • 78

    Mostly Cloudy

    • 58
    • 79

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 58
    • 77

    Partly Sunny

Today 15 Aug City of Seattle

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 15 Aug City of Seattle

Mostly cloudy. Lows near 60. North wind to 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

    68.8 °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

    47.1 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads