Middle Run Park Weather Forecast

    • 29
    • 51

    Decreasing Clouds

    • 45
    • 49

    Rain

    • 27
    • 52

    Chance Rain

    • 37
    • 45

    Partly Sunny

    • 27
    • 52

    Partly Sunny

    • 28
    • 41

    Partly Sunny

    • 37
    • 48

    Slight Chance Rain

Today 17 Dec Fairfax

Mostly cloudy. Highs in the lower 50s. West Winds around 5 Mph.

Tonight 17 Dec Fairfax

Partly cloudy. Lows in the upper 20s. North Winds around 5 Mph late this Evening, becoming light and variable.

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  • Temperature Real-Time

Middle Run Park Temperature Statistics

December Temperature

Fort Belvoir (5 miles)

  • Lowest 9 December, 2025

    17.4 °F

  • Average December

    33.7 °F

  • Highest 4 December, 2025

    47.5 °F

Climate (2020–Present)

Fort Belvoir (5 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.2 °F
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