South Run Park Weather Forecast

    • 71
    • 87

    Rain Showers Likely

    • 72
    • 95

    Chance Thunderstorms

    • 70
    • 96

    Chance Thunderstorms

    • 67
    • 89

    Mostly Sunny

    • 68
    • 93

    Partly Sunny

    • 65
    • 86

    Chance Thunderstorms

Today 10 Jun Fairfax

Showers. Isolated Thunderstorms this Morning, then scattered Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 10 Jun Fairfax

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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South Run Park Temperature Statistics

June Temperature

Fort Belvoir (5 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    72.3 °F

  • Highest 7 June, 2026

    93.4 °F

Climate (2021–Present)

Fort Belvoir (5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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