Washington County State Lake Weather Forecast

    • 8
    • 31

    Sunny

    • 26
    • 38

    Increasing Clouds

    • 32
    • 61

    Mostly Cloudy

    • 27
    • 60

    Chance Rain

    • 33
    • 53

    Mostly Sunny

    • 31
    • 64

    Mostly Sunny

    • 23
    • 51

    Partly Sunny

Today 22 Feb Washington

Sunny, cold with Highs in the lower 30s. North Winds 10 to 15 Mph.

Tonight 22 Feb Washington

Clear, cold with Lows around 9 above. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington County State Lake Temperature Statistics

February Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 20 February, 2026

    14 °F

  • Average February

    41 °F

  • Highest 9 February, 2026

    77 °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

    66.4 °F
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