Middle Run Stream Valley Park Weather Forecast

    • 70
    • 91

    Mostly Sunny

    • 79
    • 101

    Hot

    • 76
    • 102

    Hot

    • 74
    • 97

    Chance Rain Showers

    • 73
    • 92

    Rain Showers Likely

    • 72
    • 92

    Rain Showers Likely

    • 73
    • 91

    Chance Thunderstorms

Today 14 Jul Fairfax

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 14 Jul Fairfax

Clear. Lows around 70. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middle Run Stream Valley Park Temperature Statistics

July Temperature

Fort Belvoir (3.7 miles)

  • Lowest 12 July, 2026

    68.4 °F

  • Average July

    81.8 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (3.7 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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