Haymarket Weather Forecast

    • 74
    • 88

    Thunderstorms Likely

    • 74
    • 94

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 70
    • 89

    Rain Showers Likely

    • 67
    • 86

    Chance Rain Showers

    • 69
    • 86

    Chance Rain Showers

Today 16 Jul Northwest Prince William

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 16 Jul Northwest Prince William

Mostly cloudy. Showers and Thunderstorms likely this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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Haymarket Temperature Statistics

July Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (8.7 miles)

  • Lowest 5 July, 2025

    62.1 °F

  • Average July

    79 °F

  • Highest 8 July, 2025

    95 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (8.7 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.1 °F
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