Mantua Weather Forecast

    • 73
    • 89

    Slight Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

    • 64
    • 84

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

Today 31 Aug Arlington/Falls Church/Alexandria

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 31 Aug Arlington/Falls Church/Alexandria

Mostly cloudy. Lows in the mid 70s. South Winds around 5 Mph late this Evening, becoming light and variable.

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Mantua Temperature Statistics

August Temperature

Fort Belvoir (9.9 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    77.9 °F

  • Highest 8 August, 2026

    92.8 °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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