Lake Royal Weather Forecast

    • 50
    • 66

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

    • 56
    • 73

    Slight Chance Rain Showers

    • 59
    • 71

    Mostly Cloudy

    • 58
    • 73

    Partly Sunny

    • 57
    • 76

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

Today 24 Sep Arlington/Falls Church/Alexandria

Partly sunny. Highs in the mid 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 24 Sep Arlington/Falls Church/Alexandria

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. North Winds 5 to 10 Mph.

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Lake Royal Temperature Statistics

September Temperature

Fort Belvoir (8.1 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    74.7 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (8.1 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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