Manassas Park Weather Forecast

    • 66
    • 88

    Rain Showers

    • 67
    • 82

    Rain Showers Likely

    • 67
    • 84

    Rain Showers Likely

    • 63
    • 85

    Chance Rain Showers

    • 62
    • 83

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

Today 20 Aug Northwest Prince William

Partly sunny with isolated Showers and Thunderstorms this Morning, then mostly cloudy with numerous Showers and scattered Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the mid 80s. East Winds around 5 Mph, becoming west around 5 Mph this afternoon. Chance of rain 70 percent.

Tonight 20 Aug Northwest Prince William

Mostly cloudy. Numerous Showers and scattered Thunderstorms in the evening. Patchy fog. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Manassas Park Temperature Statistics

August Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (5 miles)

  • Lowest 1 August, 2026

    63 °F

  • Average August

    78.6 °F

  • Highest 6 August, 2026

    93 °F

Climate (2021–2026)

Manassas, Manassas Regional Airport/Harry P. Davis Field (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
Get WillyWeather+ to remove ads