Piney Branch Park Weather Forecast

    • 73
    • 88

    Smoke

    • 71
    • 92

    Thunderstorms Likely

    • 66
    • 85

    Partly Sunny

    • 69
    • 85

    Slight Chance Thunderstorms

    • 72
    • 89

    Rain Showers Likely

    • 65
    • 86

    Chance Rain Showers

    • 65
    • 83

    Mostly Sunny

Today 17 Jul Eastern Loudoun

Partly sunny. Smoke. Highs in the upper 80s. North Winds around 5 Mph.

Tonight 17 Jul Eastern Loudoun

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Smoke. Lows in the lower 70s. East Winds around 5 Mph, becoming south after midnight. Chance of rain 20 percent.

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Piney Branch Park Temperature Statistics

July Temperature

Washington/Dulles International Airport, DC (7.5 miles)

  • Lowest 13 July, 2026

    62.1 °F

  • Average July

    81.2 °F

  • Highest 4 July, 2026

    99.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (7.5 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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