The Plains Weather Forecast

    • 26
    • 45

    Partly Sunny

    • 27
    • 46

    Mostly Sunny

    • 37
    • 49

    Mostly Cloudy

    • 27
    • 51

    Chance Rain

    • 18
    • 36

    Slight Chance Freezing Rain

    • 23
    • 38

    Partly Sunny

Today 11 Jan Northern Fauquier

Mostly sunny. A slight chance of rain and snow Showers in the afternoon. Highs in the lower 40s. Northwest Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 45 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 11 Jan Northern Fauquier

Mostly cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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The Plains Temperature Statistics

January Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (16.8 miles)

  • Lowest 5 January, 2026

    19 °F

  • Average January

    34.9 °F

  • Highest 7 January, 2026

    63 °F

Climate (2021–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (16.8 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
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