Des Moines Weather Forecast

    • 53
    • 71

    Increasing Clouds

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 69

    Rain Likely

    • 53
    • 70

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 53
    • 72

    Partly Sunny

Today 10 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. Highs in the mid 60s to lower 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 10 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. Lows in the mid to upper 50s. Light wind.

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Des Moines Temperature Statistics

September Temperature

Seattle, Seattle-Tacoma International Airport (2.5 miles)

  • Lowest 5 September, 2026

    52.6 °F

  • Average September

    62.3 °F

  • Highest 6 September, 2026

    74.6 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (2.5 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.3 °F
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