Washington County State Lake Weather Forecast

    • 32
    • 58

    Mostly Sunny

    • 40
    • 58

    Rain Likely

    • 33
    • 52

    Rain Likely

    • 41
    • 61

    Partly Sunny

    • 45
    • 64

    Mostly Cloudy

    • 43
    • 68

    Slight Chance Rain

    • 33
    • 62

    Slight Chance Rain

Today 12 Feb Washington

Mostly sunny. Highs in the upper 50s. West Winds around 5 Mph.

Tonight 12 Feb Washington

Mostly clear. Cold with Lows in the lower 30s. Northwest 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 1 February, 2026

    15.8 °F

  • Average February

    38.2 °F

  • Highest 9 February, 2026

    77 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    66.1 °F
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