Capitol Hill Weather Forecast

    • 46
    • 63

    Decreasing Clouds

    • 47
    • 65

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 54
    • 70

    Chance Rain

    • 52
    • 67

    Partly Sunny

Today 30 May City of Seattle

Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower to mid 60s. Light wind.

Tonight 30 May City of Seattle

Mostly clear. Lows in the mid to upper 40s. North wind around 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol Hill Temperature Statistics

May Temperature

Boeing Field - King County International Airport (5 miles)

  • Lowest 17 May, 2026

    43 °F

  • Average May

    59.6 °F

  • Highest 12 May, 2026

    80.1 °F

Climate (2021–Present)

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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