Sandy Run Stream Valley Park Weather Forecast

    • 72
    • 88

    Smoke

    • 73
    • 92

    Rain Showers

    • 67
    • 86

    Mostly Sunny

    • 70
    • 86

    Partly Sunny

    • 72
    • 90

    Rain Showers Likely

    • 65
    • 87

    Slight Chance Thunderstorms

Today 17 Jul Fairfax

Mostly cloudy. Smoke. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 17 Jul Fairfax

Mostly cloudy. Smoke. Lows in the lower 70s. Southeast Winds around 5 Mph.

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Sandy Run Stream Valley Park Temperature Statistics

July Temperature

Fort Belvoir (8.1 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81.1 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (8.1 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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