Mount Vernon Weather Forecast

    • 63
    • 87

    Partly Sunny

    • 61
    • 86

    Mostly Cloudy

    • 58
    • 84

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 60
    • 89

    Partly Sunny

    • 63
    • 88

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

Today 15 Sep Rockcastle

Partly cloudy. Hot with Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 15 Sep Rockcastle

Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Mount Vernon Temperature Statistics

September Temperature

London, London-Corbin Airport-Magee Field (23 miles)

  • Lowest 9 September, 2025

    48.9 °F

  • Average September

    65.8 °F

  • Highest 5 September, 2025

    86 °F

Climate (2020–Present)

London, London-Corbin Airport-Magee Field (23 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.2 °F
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