Washington County Memorial Airport Weather Forecast

    • 64
    • 75

    Slight Chance Thunderstorms

    • 65
    • 92

    Rain Showers

    • 59
    • 71

    Rain Showers

    • 66
    • 76

    Rain Showers Likely

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 76

    Chance Rain Showers

Today 13 Sep Washington

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 13 Sep Washington

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Washington County Memorial Airport Temperature Statistics

September Temperature

Marysville Municipal Airport (23.6 miles)

  • Lowest 11 September, 2026

    64.4 °F

  • Average September

    82.1 °F

  • Highest 8 September, 2026

    100.4 °F

Climate (2021–2026)

Marysville Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    66.7 °F
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