Roosevelt Weather Forecast

    • 55
    • 66

    Chance Rain

    • 53
    • 71

    Mostly Cloudy

    • 52
    • 70

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 13 Sep City of Seattle

Rain at Times late in the Morning, then a chance of rain early in the afternoon. A slight chance of rain late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the 60s. South wind 10 to 15 Mph.

Tonight 13 Sep City of Seattle

Mostly cloudy. Lows in the mid to upper 50s. South wind 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roosevelt Temperature Statistics

September Temperature

Boeing Field - King County International Airport (8.7 miles)

  • Lowest 5 September, 2026

    53.1 °F

  • Average September

    63 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (8.7 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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