Brentsville Park Weather Forecast

    • 33
    • 60

    Mostly Sunny

    • 41
    • 56

    Chance Rain

    • 55
    • 64

    Rain

    • 44
    • 66

    Rain Likely

    • 28
    • 52

    Slight Chance Rain

    • 28
    • 46

    Partly Sunny

Today 7 Jan Southern Fauquier

Mostly sunny. Highs around 60. West Winds 5 to 10 Mph.

Tonight 7 Jan Southern Fauquier

Mostly clear. Patchy fog. Lows around 40. Southwest Winds around 5 Mph.

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Brentsville Park Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    21 °F

  • Average January

    30.7 °F

  • Highest 4 January, 2026

    44.1 °F

Climate (2021–Present)

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 °F

  • Average High 2021–2026

    68 °F
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