Manassas Weather Forecast

    • 66
    • 87

    Rain Showers

    • 64
    • 84

    Mostly Cloudy

    • 63
    • 84

    Partly Sunny

    • 69
    • 90

    Sunny

    • 73
    • 97

    Hot

    • 71
    • 94

    Partly Sunny

Today 11 Jul Northwest Prince William

Partly sunny in the Morning, then mostly cloudy with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 11 Jul Northwest Prince William

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Manassas Temperature Statistics

July Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    82.7 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 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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