Mount Vernon Weather Forecast

    • 60
    • 86

    Rain Showers

    • 57
    • 76

    Slight Chance Rain Showers

    • 62
    • 79

    Rain Showers Likely

    • 66
    • 78

    Rain Showers

    • 63
    • 79

    Rain Showers

    • 53
    • 72

    Chance Thunderstorms

Today 16 May Jefferson

Mostly sunny. Showers and Thunderstorms likely in the afternoon. Some Thunderstorms may be severe. Breezy with Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to 15 to 25 Mph with Gusts up to 35 Mph in the afternoon. Chance of rain 70 percent.

Tonight 16 May Jefferson

Partly cloudy with Thunderstorms likely with a chance of Showers in the Evening, then clear after midnight. Some Thunderstorms may be severe. Lows around 60. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west around 10 Mph after midnight. Chance of rain 70 percent.

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Mount Vernon Temperature Statistics

May Temperature

Mount Vernon Airport (2.5 miles)

  • Lowest 10 May, 2025

    42.7 °F

  • Average May

    61.1 °F

  • Highest 11 May, 2025

    81.6 °F

Climate (2020–Present)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    67.6 °F
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