Brentsville Weather Forecast

    • 69
    • 82

    Rain Showers

    • 68
    • 87

    Rain Showers

    • 68
    • 89

    Rain Showers Likely

    • 65
    • 85

    Rain Showers Likely

    • 63
    • 83

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

Today 8 Jul Southern Fauquier

Partly sunny with isolated Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 8 Jul Southern Fauquier

Mostly cloudy with isolated Thunderstorms. Isolated Showers this Evening, then scattered Showers after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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Brentsville Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    70 °F

  • Average July

    83.5 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
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