Sandy Run Stream Valley Park Weather Forecast

    • 65
    • 86

    Slight Chance Thunderstorms

    • 66
    • 85

    Partly Sunny

    • 71
    • 88

    Partly Sunny

    • 73
    • 91

    Partly Sunny

    • 75
    • 92

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Rain Showers

Today 28 Aug Fairfax

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the upper 80s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 28 Aug Fairfax

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Run Stream Valley Park Temperature Statistics

August Temperature

Fort Belvoir (8.1 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    77.9 °F

  • Highest 8 August, 2026

    92.8 °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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