Mount Vernon Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 42
    • 68

    Sunny

    • 37
    • 65

    Sunny

    • 40
    • 66

    Mostly Sunny

    • 48
    • 63

    Chance Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 52
    • 71

    Slight Chance Rain Showers

Today 20 Oct Jefferson

Sunny, breezy. Near steady temperature in the upper 60s. South Winds 20 to 25 Mph.

Tonight 20 Oct Jefferson

Mostly clear. A chance of Sprinkles late this evening. Lows in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

October Temperature

Mount Vernon Airport (2.5 miles)

  • Lowest 10 October, 2025

    37.9 °F

  • Average October

    65.3 °F

  • Highest 2 October, 2025

    89.1 °F

Climate (2020–Present)

Mount Vernon Airport (2.5 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    68 °F
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