Lake Manassas Weather Forecast

    • 53
    • 73

    Thunderstorms

    • 51
    • 81

    Rain Showers Likely

    • 43
    • 63

    Rain Showers Likely

    • 46
    • 66

    Partly Sunny

    • 49
    • 70

    Rain Showers Likely

    • 49
    • 69

    Chance Rain Showers

Today 9 May Southern Fauquier

Mostly cloudy in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 9 May Southern Fauquier

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 50s. Southwest Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Manassas Temperature Statistics

May Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (7.5 miles)

  • Lowest 1 May, 2026

    36 °F

  • Average May

    59 °F

  • Highest 5 May, 2026

    84.9 °F

Climate (2021–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (7.5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.1 °F
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