South Run Stream Valley Park Weather Forecast

    • 37
    • 54

    Gradual Clearing

    • 33
    • 46

    Rain Likely

    • 34
    • 49

    Partly Sunny

    • 38
    • 61

    Mostly Sunny

    • 31
    • 49

    Chance Rain/Snow

    • 27
    • 40

    Chance Rain/Snow

Today 25 Feb Fairfax

Mostly cloudy. Highs in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Feb Fairfax

Partly cloudy. Lows in the upper 30s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight.

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South Run Stream Valley Park Temperature Statistics

February Temperature

Fort Belvoir (3.1 miles)

  • Lowest 9 February, 2026

    9.9 °F
  • Average February

    34 °F
  • Highest 20 February, 2026

    57.9 °F

Climate (2021–Present)

Fort Belvoir (3.1 miles)

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  • Average Low 2021–2026

    47.6 °F
  • Average 2021–2026

    57.9 °F
  • Average High 2021–2026

    68.2 °F
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