Washington County State Lake Weather Forecast

    • 35
    • 72

    Chance Rain Showers

    • 11
    • 40

    Chance Rain/Snow

    • 13
    • 31

    Partly Sunny

    • 39
    • 52

    Mostly Cloudy

    • 43
    • 74

    Partly Sunny

    • 45
    • 79

    Mostly Sunny

Today 14 Mar Washington

Mostly sunny. Much warmer with Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Mar Washington

Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington County State Lake Temperature Statistics

March Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 1 March, 2026

    23 °F

  • Average March

    46.6 °F

  • Highest 9 March, 2026

    80.6 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    66.3 °F
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