Mantua Weather Forecast

    • 70
    • 86

    Decreasing Clouds

    • 71
    • 89

    Rain Showers Likely

    • 65
    • 85

    Chance Rain Showers

    • 66
    • 83

    Partly Sunny

    • 71
    • 86

    Chance Rain Showers

    • 69
    • 88

    Chance Rain Showers

Today 12 Aug Arlington/Falls Church/Alexandria

Partly sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 12 Aug Arlington/Falls Church/Alexandria

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 70s. West Winds 5 to 10 Mph.

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Mantua Temperature Statistics

August Temperature

Fort Belvoir (9.9 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    80.3 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (9.9 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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