Mantua Weather Forecast

    • 69
    • 85

    Chance Thunderstorms

    • 70
    • 88

    Rain Showers

    • 63
    • 85

    Rain Showers Likely

    • 63
    • 80

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 67
    • 84

    Slight Chance Thunderstorms

Today 20 Jul Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph, becoming southeast this afternoon.

Tonight 20 Jul Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Mantua Temperature Statistics

July Temperature

Fort Belvoir (9.9 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81.4 °F

  • Highest 4 July, 2026

    101.3 °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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