Holmes Run Stream Valley Park Weather Forecast

    • 68
    • 85

    Rain Showers

    • 68
    • 84

    Mostly Sunny

    • 68
    • 84

    Partly Sunny

    • 69
    • 87

    Partly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

Today 28 Jul Arlington/Falls Church/Alexandria

Partly sunny this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 28 Jul Arlington/Falls Church/Alexandria

Partly cloudy with Showers and Thunderstorms likely in the Evening, then clear after midnight. Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Holmes Run Stream Valley Park Temperature Statistics

July Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 24 July, 2026

    66.7 °F

  • Average July

    82.8 °F

  • Highest 4 July, 2026

    103.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (5.6 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    69.3 °F
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