South Run Park Weather Forecast

    • 40
    • 49

    Rain

    • 42
    • 54

    Mostly Cloudy

    • 46
    • 55

    Chance Rain

    • 46
    • 63

    Rain Likely

    • 37
    • 55

    Chance Rain

    • 39
    • 56

    Partly Sunny

Today 18 Nov Fairfax

Mostly sunny this Morning, then cloudy with a chance of rain this afternoon. Highs in the upper 40s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 18 Nov Fairfax

Rain, mainly in the evening. Patchy fog. Lows around 40. Southeast Winds around 5 Mph. Chance of rain 90 percent.

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South Run Park Temperature Statistics

November Temperature

Fort Belvoir (5 miles)

  • Lowest 14 November, 2025

    29.1 °F

  • Average November

    51.5 °F

  • Highest 5 November, 2025

    73.6 °F

Climate (2020–Present)

Fort Belvoir (5 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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