Middle Run Stream Valley Park Weather Forecast

    • 48
    • 69

    Becoming Sunny

    • 49
    • 71

    Mostly Sunny

    • 52
    • 71

    Slight Chance Rain Showers

    • 54
    • 74

    Mostly Cloudy

    • 57
    • 70

    Rain Showers

    • 60
    • 68

    Rain Showers Likely

    • 62
    • 76

    Chance Rain Showers

Today 23 May Fairfax

Partly sunny. Highs in the upper 60s. West Winds around 20 Mph with Gusts up to 30 Mph.

Tonight 23 May Fairfax

Mostly clear with scattered Sprinkles. Lows in the upper 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middle Run Stream Valley Park Temperature Statistics

May Temperature

Fort Belvoir (3.7 miles)

  • Lowest 10 May, 2025

    41.9 °F

  • Average May

    67.9 °F

  • Highest 16 May, 2025

    89.2 °F

Climate (2020–Present)

Fort Belvoir (3.7 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.4 °F
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