Lehigh Portland Park Weather Forecast

    • 61
    • 66

    Slight Chance Rain Showers

    • 59
    • 84

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 61
    • 80

    Partly Sunny

    • 60
    • 78

    Mostly Cloudy

    • 60
    • 81

    Partly Sunny

    • 61
    • 83

    Partly Sunny

Today 17 Sep Southern Fauquier

Cloudy with a 50 percent chance of Showers. Highs in the mid 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Sep Southern Fauquier

Mostly cloudy. A slight chance of Showers in the evening. Patchy fog after midnight. Lows around 60. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lehigh Portland Park Temperature Statistics

September Temperature

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

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    67.9 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68 °F
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