Capitol Hill Weather Forecast

    • 48
    • 66

    Sunny

    • 54
    • 72

    Partly Sunny

    • 57
    • 82

    Mostly Sunny

    • 54
    • 74

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

    • 49
    • 64

    Chance Rain

    • 48
    • 62

    Rain Likely

Today 31 May City of Seattle

Sunny. Highs in the 60s. North wind 10 to 15 Mph.

Tonight 31 May City of Seattle

Clear. Lows in the mid to upper 40s. North wind 10 to 15 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

    59.4 °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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