First Hill Weather Forecast

    • 52
    • 65

    Increasing Clouds

    • 53
    • 61

    Rain

    • 50
    • 60

    Rain

    • 50
    • 62

    Mostly Cloudy

    • 50
    • 61

    Partly Sunny

    • 52
    • 62

    Slight Chance Rain

Today 23 Sep City of Seattle

Mostly cloudy. Highs in the 60s. Light wind.

Tonight 23 Sep City of Seattle

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

First Hill Temperature Statistics

September Temperature

Boeing Field - King County International Airport (4.3 miles)

  • Lowest 19 September, 2026

    52 °F

  • Average September

    62.1 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (4.3 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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