Capitol Hill Weather Forecast

    • 52
    • 72

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 51
    • 68

    Chance Rain

    • 48
    • 60

    Rain Likely

    • 50
    • 64

    Slight Chance Rain

Today 21 May City of Seattle

Sunny. Highs in the lower to mid 70s. Light wind becoming north around 10 Mph in the afternoon.

Tonight 21 May City of Seattle

Mostly clear. Lows in the lower to mid 50s. 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

    58.9 °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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