Bristow Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 69
    • 90

    Mostly Cloudy

    • 68
    • 85

    Rain Showers Likely

    • 68
    • 85

    Chance Thunderstorms

    • 68
    • 87

    Chance Rain Showers

Today 30 Jul Southern Fauquier

Sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 30 Jul Southern Fauquier

Mostly clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph.

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Bristow Temperature Statistics

July Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (0.6 miles)

  • Lowest 24 July, 2026

    57.9 °F

  • Average July

    78.9 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

Manassas, Manassas Regional Airport/Harry P. Davis Field (0.6 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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