East Passage - Des Moines Weather Forecast

    • 47
    • 63

    Increasing Clouds

    • 45
    • 64

    Partly Sunny

    • 52
    • 66

    Rain Likely

    • 51
    • 63

    Rain Likely

    • 49
    • 64

    Mostly Cloudy

    • 48
    • 63

    Slight Chance Rain

Today 26 Sep Lowlands of Pierce and Southern King Counties

Mostly sunny. Patchy fog in the morning. Highs in the upper 50s to mid 60s. South wind to 10 Mph becoming north in the afternoon.

Tonight 26 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. Lows in the 40s. North wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East Passage - Des Moines Temperature Statistics

September Temperature

Seattle, Seattle-Tacoma International Airport (3.1 miles)

  • Lowest 20 September, 2026

    50.6 °F

  • Average September

    61.9 °F

  • Highest 9 September, 2026

    78.7 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (3.1 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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