Sandy Run Stream Valley Park Weather Forecast

    • 80
    • 101

    Slight Chance Thunderstorms

    • 74
    • 100

    Rain Showers Likely

    • 72
    • 94

    Thunderstorms Likely

    • 70
    • 89

    Rain Showers Likely

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 88

    Chance Rain Showers

Today 3 Jul Fairfax

Sunny. Highs around 101. Northwest Winds around 5 Mph. Heat index Values up to 113.

Tonight 3 Jul Fairfax

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds, frequent Lightning, and heavy rainfall in the evening. Lows around 80. West Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Run Stream Valley Park Temperature Statistics

July Temperature

Fort Belvoir (8.1 miles)

  • Lowest 1 July, 2026

    72.3 °F

  • Average July

    84.5 °F

  • Highest 1 July, 2026

    96.8 °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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