Occoquan Reservoir Weather Forecast

    • 42
    • 68

    Chance Rain Showers

    • 30
    • 51

    Partly Sunny

    • 32
    • 46

    Partly Sunny

    • 39
    • 60

    Partly Sunny

    • 35
    • 57

    Mostly Sunny

    • 35
    • 58

    Mostly Sunny

Today 9 Nov Central and Southeast Prince William/Manassas/Manassas Park

Mostly cloudy with a chance of Showers in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Nov Central and Southeast Prince William/Manassas/Manassas Park

Mostly cloudy. A chance of Showers in the evening. Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Occoquan Reservoir Temperature Statistics

November Temperature

Fort Belvoir (8.1 miles)

  • Lowest 5 November, 2025

    33.3 °F

  • Average November

    52.7 °F

  • Highest 5 November, 2025

    73.6 °F

Climate (2020–Present)

Fort Belvoir (8.1 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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