Sandy Run Regional Park Weather Forecast

    • 74
    • 89

    Chance Rain Showers

    • 74
    • 88

    Rain Showers Likely

    • 72
    • 94

    Thunderstorms Likely

    • 72
    • 90

    Rain Showers Likely

    • 70
    • 88

    Rain Showers

    • 71
    • 85

    Rain Showers Likely

    • 71
    • 87

    Chance Thunderstorms

Today 6 Jul Fairfax

Partly sunny with isolated Showers and Thunderstorms. Highs around 90. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Jul Fairfax

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Run Regional Park Temperature Statistics

July Temperature

Fort Belvoir (6.2 miles)

  • Lowest 4 July, 2025

    64.2 °F

  • Average July

    79.5 °F

  • Highest 1 July, 2025

    92.8 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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