Washington County State Lake Weather Forecast

    • 63
    • 85

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 68
    • 86

    Partly Sunny

    • 71
    • 91

    Mostly Sunny

Today 2 Aug Washington

Sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 2 Aug Washington

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Washington County State Lake Temperature Statistics

August Temperature

Marysville Municipal Airport (26.1 miles)

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  • Average August

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Climate (2021–2026)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    66.6 °F
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