South Run Park Weather Forecast

    • 68
    • 85

    Severe Tstms

    • 67
    • 84

    Partly Sunny

    • 67
    • 84

    Partly Sunny

    • 68
    • 86

    Partly Sunny

    • 70
    • 88

    Chance Rain Showers

    • 70
    • 87

    Rain Showers Likely

Today 28 Jul Fairfax

Partly sunny this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 28 Jul Fairfax

Partly cloudy with Showers and Thunderstorms likely in the Evening, then clear after midnight. Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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South Run Park Temperature Statistics

July Temperature

Fort Belvoir (5 miles)

  • Lowest 24 July, 2026

    57.6 °F

  • Average July

    79.8 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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