Washington County State Lake Weather Forecast

    • 36
    • 85

    Chance Rain Showers

    • 28
    • 53

    Partly Sunny

    • 43
    • 59

    Partly Sunny

    • 54
    • 79

    Slight Chance Thunderstorms

    • 56
    • 82

    Chance Rain Showers

    • 55
    • 83

    Chance Rain Showers

Today 26 Mar Washington

Mostly sunny with a slight chance of Showers. Breezy with Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to northwest 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 26 Mar Washington

Partly cloudy with a slight chance of rain Showers in the Evening, then mostly cloudy with a chance of rain Showers after midnight. Breezy and much cooler with Lows in the upper 30s. North Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

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Washington County State Lake Temperature Statistics

March Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 16 March, 2026

    10.4 °F

  • Average March

    49.3 °F

  • Highest 21 March, 2026

    95 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.4 °F
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