Sandy Run Regional Park Weather Forecast

    • 26
    • 39

    Increasing Clouds

    • 27
    • 38

    Chance Snow

    • 25
    • 44

    Rain/Snow Likely

    • 17
    • 32

    Mostly Sunny

    • 19
    • 32

    Partly Sunny

    • 24
    • 38

    Partly Sunny

Today 11 Dec Fairfax

Sunny. Highs in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 11 Dec Fairfax

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Run Regional Park Temperature Statistics

December Temperature

Fort Belvoir (6.2 miles)

  • Lowest 9 December, 2025

    17.4 °F

  • Average December

    34 °F

  • Highest 4 December, 2025

    47.5 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.3 °F
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