Washington County State Lake Weather Forecast

    • 12
    • 25

    Mostly Cloudy

    • -6
    • 19

    Partly Sunny

    • 12
    • 18

    Chance Snow

    • 18
    • 43

    Mostly Sunny

    • 21
    • 38

    Mostly Cloudy

    • 20
    • 41

    Chance Snow

    • 18
    • 39

    Partly Sunny

Today 29 Jan Washington

Mostly cloudy with a chance of Flurries. Colder with Highs in the mid 20s. Northeast Winds 5 to 10 Mph.

Tonight 29 Jan Washington

Mostly cloudy with a chance of Flurries. Cold with Lows around 12. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Washington County State Lake Temperature Statistics

January Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 26 January, 2026

    -9.4 °F

  • Average January

    28.5 °F

  • Highest 7 January, 2026

    68 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    66 °F
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