Mount Vernon Municipal Reservoir Weather Forecast

    • 41
    • 57

    Mostly Cloudy

    • 39
    • 56

    Rain Showers Likely

    • 21
    • 44

    Wintry Mix

    • 13
    • 23

    Wintry Mix

    • 6
    • 22

    Partly Sunny

    • 9
    • 29

    Mostly Sunny

    • 18
    • 35

    Partly Sunny

Today 21 Jan Franklin

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 50s. North Winds around 5 Mph.

Tonight 21 Jan Franklin

Mostly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph.

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Mount Vernon Municipal Reservoir Temperature Statistics

January Temperature

Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)

  • Lowest 18 January, 2026

    19.9 °F

  • Average January

    50.5 °F

  • Highest 8 January, 2026

    77.7 °F

Climate (2021–Present)

Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.2 °F
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