Washington County State Lake Weather Forecast

    • 33
    • 51

    Rain Likely

    • 32
    • 44

    Rain/Snow Likely

    • 29
    • 50

    Mostly Sunny

    • 36
    • 55

    Mostly Cloudy

    • 28
    • 59

    Mostly Cloudy

    • 22
    • 44

    Partly Sunny

    • 21
    • 37

    Mostly Cloudy

Today 29 Jan Washington

Sunny. Near steady temperature in the upper 40s. Southeast Winds around 5 Mph.

Tonight 29 Jan Washington

Partly cloudy with a slight chance of rain this Evening, then cloudy with rain likely after midnight. Lows in the lower 30s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington County State Lake Temperature Statistics

January Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 21 January, 2025

    -9.4 °F

  • Average January

    21.5 °F

  • Highest 17 January, 2025

    44.6 °F

Climate (2020–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    65.6 °F
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