Brentsville Weather Forecast

    • 31
    • 57

    Mostly Sunny

    • 38
    • 61

    Mostly Sunny

    • 55
    • 67

    Slight Chance Rain Showers

    • 59
    • 79

    Mostly Cloudy

    • 60
    • 78

    Chance Rain Showers

    • 43
    • 79

    Chance Rain Showers

Today 26 Mar Southern Fauquier

Mostly sunny. Highs in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 26 Mar Southern Fauquier

Partly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph.

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Brentsville Temperature Statistics

March Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (1.9 miles)

  • Lowest 3 March, 2025

    17.1 °F

  • Average March

    48 °F

  • Highest 20 March, 2025

    78.1 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (1.9 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    67.9 °F
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