Dumas Bay Weather Forecast

    • 54
    • 62

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 65

    Partly Sunny

    • 54
    • 70

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

Today 13 Sep Lowlands of Pierce and Southern King Counties

Rain 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 quarter to a half inch possible. Highs in the upper 50s to mid 60s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 13 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. Lows in the lower to mid 50s. Southwest wind 10 to 15 Mph becoming south after midnight. Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dumas Bay Temperature Statistics

September Temperature

Seattle, Seattle-Tacoma International Airport (8.1 miles)

  • Lowest 11 September, 2026

    52 °F

  • Average September

    63.1 °F

  • Highest 9 September, 2026

    78.7 °F

Climate (2021–2026)

Seattle, Seattle-Tacoma International Airport (8.1 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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