Lake Royal Weather Forecast

    • 27
    • 41

    Mostly Cloudy

    • 18
    • 32

    Slight Chance Snow

    • 31
    • 37

    Mostly Cloudy

    • 34
    • 50

    Mostly Cloudy

    • 29
    • 45

    Chance Rain/Snow

    • 21
    • 39

    Chance Snow

    • 20
    • 33

    Partly Sunny

Today 7 Dec Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 40s. South Winds around 5 Mph.

Tonight 7 Dec Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. West Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Royal Temperature Statistics

December Temperature

Fort Belvoir (8.1 miles)

  • Lowest 4 December, 2025

    25.2 °F

  • Average December

    35.4 °F

  • Highest 4 December, 2025

    47.5 °F

Climate (2020–Present)

Fort Belvoir (8.1 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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