Capitol Hill Weather Forecast

    • 54
    • 76

    Mostly Sunny

    • 57
    • 79

    Becoming Sunny

    • 61
    • 85

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 57
    • 86

    Partly Sunny

    • 56
    • 76

    Chance Rain

    • 54
    • 68

    Rain Likely

Today 20 Jun City of Seattle

Sunny. Highs in the 70s. Southwest wind around 10 Mph.

Tonight 20 Jun City of Seattle

Mostly clear. Lows in the lower to mid 50s. Southwest wind around 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol Hill Temperature Statistics

June Temperature

Boeing Field - King County International Airport (5 miles)

  • Lowest 7 June, 2026

    48 °F

  • Average June

    63.9 °F

  • Highest 14 June, 2026

    89.1 °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

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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