Mount Vernon Weather Forecast

    • 53
    • 78

    Rain Showers

    • 47
    • 62

    Chance Rain Showers

    • 51
    • 70

    Partly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 58
    • 81

    Mostly Cloudy

    • 50
    • 73

    Chance Rain Showers

Today 6 May Charles

Mostly cloudy. Showers likely in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 6 May Charles

Showers likely with a slight chance of Thunderstorms in the Evening, then Showers after midnight. Lows in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 90 percent.

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Mount Vernon Temperature Statistics

May Temperature

Fort Belvoir (3.7 miles)

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Climate (2021–Present)

Fort Belvoir (3.7 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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