Saranac at Lake Manassac Weather Forecast

    • 70
    • 93

    Rain Showers

    • 68
    • 88

    Rain Showers

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

    • 69
    • 89

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

Today 5 Jul Northwest Prince William

Mostly sunny with scattered Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 30 percent.

Tonight 5 Jul Northwest Prince William

Mostly cloudy. Numerous Showers and scattered Thunderstorms this Evening, then scattered Showers with isolated Thunderstorms after midnight. Patchy fog after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy Rainfall, then some Thunderstorms may be severe with damaging Winds and large hail. Lows around 70. Northeast Winds around 5 Mph. Chance of rain 70 percent.

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Saranac at Lake Manassac Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    70 °F

  • Average July

    84.8 °F

  • Highest 3 July, 2026

    99 °F

Climate (2021–2026)

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