Mount Vernon Weather Forecast

    • 76
    • 99

    Hot

    • 74
    • 97

    Hot

    • 74
    • 95

    Mostly Sunny

    • 74
    • 93

    Slight Chance Thunderstorms

    • 73
    • 93

    Slight Chance Thunderstorms

    • 74
    • 94

    Mostly Sunny

Today 8 Aug Franklin

Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 8 Aug Franklin

Clear. Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 106 early in the evening.

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Mount Vernon Temperature Statistics

August Temperature

Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)

  • Lowest 5 August, 2025

    66.4 °F

  • Average August

    79.6 °F

  • Highest 6 August, 2025

    94.3 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)

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  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    64.7 °F

  • Average High 2020–2025

    75.9 °F
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