Lake Manassas Weather Forecast

    • 30
    • 61

    Rain Showers

    • 34
    • 51

    Partly Sunny

    • 44
    • 61

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 30
    • 63

    Chance Rain/Snow

    • 30
    • 51

    Mostly Sunny

Today 23 Mar Southern Fauquier

Mostly cloudy with Showers with isolated Thunderstorms in the Morning, then sunny in the afternoon. Some Thunderstorms may produce gusty Winds and small hail in the morning. Not as warm with Highs in the lower 60s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

Tonight 23 Mar Southern Fauquier

Mostly clear. Cooler with Lows around 30. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Manassas Temperature Statistics

March Temperature

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

  • Lowest 13 March, 2026

    25 °F

  • Average March

    50.4 °F

  • Highest 11 March, 2026

    86 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
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