Saranac at Lake Manassac Weather Forecast

    • 59
    • 82

    Slight Chance Rain Showers

    • 58
    • 70

    Rain Showers Likely

    • 60
    • 69

    Rain Showers Likely

    • 59
    • 80

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

Today 15 Sep Northwest Prince William

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 80s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Northwest Prince William

Mostly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph, becoming northeast after midnight.

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Saranac at Lake Manassac Temperature Statistics

September Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (6.2 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    67.4 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (6.2 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68 °F
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