Washington County State Lake Weather Forecast

    • 29
    • 68

    Rain Showers Likely

    • 34
    • 51

    Sunny

    • 43
    • 65

    Sunny

    • 48
    • 72

    Chance Rain Showers

    • 39
    • 73

    Rain Showers Likely

    • 30
    • 53

    Mostly Sunny

Today 6 Mar Washington

Mostly cloudy. A chance of Showers in the Morning, then Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 6 Mar Washington

Mostly cloudy with rain Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Much Colder with Lows around 30. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Washington County State Lake Temperature Statistics

March Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 1 March, 2026

    23 °F

  • Average March

    35.6 °F

  • Highest 3 March, 2026

    46.4 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.3 °F
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