Mount Vernon Weather Forecast

    • 56
    • 66

    Slight Chance Rain Showers

    • 52
    • 64

    Rain Showers

    • 45
    • 60

    Chance Rain Showers

    • 48
    • 64

    Mostly Cloudy

    • 53
    • 66

    Chance Rain Showers

    • 56
    • 72

    Mostly Cloudy

    • 59
    • 74

    Chance Rain Showers

Today 19 Sep Davison

Mostly cloudy with a 40 percent chance of Showers. Highs in the lower 70s.

Tonight 19 Sep Davison

Cloudy. A slight chance of Sprinkles this Evening, then a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

September Temperature

Mitchell, Mitchell Municipal Airport (11.8 miles)

  • Lowest 13 September, 2026

    47.6 °F

  • Average September

    71.5 °F

  • Highest 4 September, 2026

    101.6 °F

Climate (2021–2026)

Mitchell, Mitchell Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    61.4 °F
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