Sandy Run Stream Valley Park Weather Forecast

    • 62
    • 82

    Slight Chance Rain Showers

    • 60
    • 72

    Rain Showers Likely

    • 62
    • 68

    Rain Showers Likely

    • 61
    • 80

    Partly Sunny

    • 62
    • 87

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 60
    • 77

    Mostly Cloudy

Today 15 Sep Fairfax

Mostly cloudy. Highs in the lower 80s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Fairfax

Mostly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Run Stream Valley Park Temperature Statistics

September Temperature

Fort Belvoir (8.1 miles)

  • Lowest 9 September, 2025

    49.8 °F

  • Average September

    67.5 °F

  • Highest 6 September, 2025

    92.7 °F

Climate (2020–Present)

Fort Belvoir (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
Get WillyWeather+ to remove ads