Brentwood Park Weather Forecast

    • 59
    • 86

    Chance Rain Showers

    • 57
    • 63

    Rain Showers Likely

    • 50
    • 81

    Rain Showers

    • 37
    • 54

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 46
    • 65

    Partly Sunny

Today 14 Oct Eastern Loudoun

Mostly sunny. Hot with Highs in the upper 80s. Southwest Winds around 5 Mph.

Tonight 14 Oct Eastern Loudoun

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the upper 50s. Northwest Winds around 5 Mph, becoming north after midnight. Chance of rain 30 percent.

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  • Temperature Real-Time

Brentwood Park Temperature Statistics

October Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 7 October, 2026

    42.7 °F

  • Average October

    63.9 °F

  • Highest 2 October, 2026

    89.7 °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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