The Plains Weather Forecast

    • 62
    • 81

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

    • 67
    • 86

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 69
    • 92

    Chance Thunderstorms

Today 12 Jul Northern Fauquier

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs around 80. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 12 Jul Northern Fauquier

Cloudy with a 50 percent chance of Showers. Lows in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

The Plains Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    70 °F

  • Average July

    82 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

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

    57.1 °F

  • Average High 2021–2026

    68.1 °F
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