Brentwood Park Weather Forecast

    • 38
    • 56

    Decreasing Clouds

    • 50
    • 66

    Chance Rain Showers

    • 46
    • 69

    Partly Sunny

    • 46
    • 74

    Chance Rain

    • 31
    • 55

    Slight Chance Rain

    • 34
    • 49

    Mostly Cloudy

Today 19 Mar Eastern Loudoun

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 50s. South Winds around 5 Mph.

Tonight 19 Mar Eastern Loudoun

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 30s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Park Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 13 March, 2026

    28 °F
  • Average March

    51.8 °F
  • Highest 11 March, 2026

    84.9 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2021–2026

    47.5 °F
  • Average 2021–2026

    58.2 °F
  • Average High 2021–2026

    68.4 °F
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