Washington County State Lake Weather Forecast

    • 63
    • 80

    Chance Thunderstorms

    • 69
    • 88

    Slight Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 66
    • 93

    Chance Thunderstorms

    • 61
    • 86

    Slight Chance Thunderstorms

    • 63
    • 85

    Chance Thunderstorms

Today 7 Jun Washington

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers and Thunderstorms. Highs around 80. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 7 Jun Washington

Partly cloudy. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Washington County State Lake Temperature Statistics

June Temperature

Marysville Municipal Airport (26.1 miles)

  • Lowest 3 June, 2026

    60.8 °F

  • Average June

    74.2 °F

  • Highest 1 June, 2026

    87.8 °F

Climate (2021–Present)

Marysville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    66.7 °F
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