Mantua Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 64
    • 83

    Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

    • 70
    • 87

    Partly Sunny

Today 4 Sep Arlington/Falls Church/Alexandria

Sunny in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall in the afternoon. Hot with Highs in the lower 90s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 4 Sep Arlington/Falls Church/Alexandria

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Lows in the lower 70s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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Mantua Temperature Statistics

September Temperature

Fort Belvoir (9.9 miles)

  • Lowest 1 September, 2026

    72.9 °F

  • Average September

    83.1 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (9.9 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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