Mantua Weather Forecast

    • 62
    • 67

    Slight Chance Rain Showers

    • 61
    • 82

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 61
    • 77

    Mostly Cloudy

    • 62
    • 79

    Partly Sunny

    • 63
    • 82

    Partly Sunny

Today 17 Sep Arlington/Falls Church/Alexandria

Cloudy with a 50 percent chance of Showers. Patchy fog. Highs in the upper 60s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 17 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. A slight chance of Showers in the evening. Patchy fog. Lows in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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Mantua Temperature Statistics

September Temperature

Fort Belvoir (9.9 miles)

  • Lowest 9 September, 2025

    49.8 °F

  • Average September

    67.9 °F

  • Highest 6 September, 2025

    92.7 °F

Climate (2020–Present)

Fort Belvoir (9.9 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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