Dumas Bay Weather Forecast

    • 53
    • 69

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 57
    • 77

    Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 67

    Mostly Cloudy

    • 56
    • 71

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

Today 5 Jul Lowlands of Pierce and Southern King Counties

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 5 Jul Lowlands of Pierce and Southern King Counties

Partly cloudy. Lows in the upper 40s to mid 50s. North wind to 10 Mph.

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Dumas Bay Temperature Statistics

July Temperature

Seattle, Seattle-Tacoma International Airport (8.1 miles)

  • Lowest 3 July, 2025

    53.1 °F

  • Average July

    65.8 °F

  • Highest 1 July, 2025

    86 °F

Climate (2020–Present)

Seattle, Seattle-Tacoma International Airport (8.1 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61.1 °F
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