Brentwood Park Weather Forecast

    • 72
    • 87

    Mostly Sunny

    • 67
    • 88

    Rain Showers

    • 65
    • 82

    Mostly Cloudy

    • 68
    • 81

    Rain Showers Likely

    • 68
    • 83

    Slight Chance Thunderstorms

    • 68
    • 85

    Partly Sunny

Today 9 Sep Eastern Loudoun

Mostly sunny. Highs in the upper 80s. South Winds 10 to 15 Mph.

Tonight 9 Sep Eastern Loudoun

Mostly clear. Lows in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Brentwood Park Temperature Statistics

September Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 7 September, 2026

    60.1 °F

  • Average September

    78.3 °F

  • Highest 1 September, 2026

    94.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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