Occoquan Bay National Wildlife Refuge Weather Forecast

    • 65
    • 80

    Increasing Clouds

    • 48
    • 69

    Rain Showers

    • 45
    • 63

    Mostly Sunny

    • 54
    • 65

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 64

    Slight Chance Rain Showers

Today 7 Oct Central and Southeast Prince William/Manassas/Manassas Park

Mostly sunny. Highs around 80. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 Oct Central and Southeast Prince William/Manassas/Manassas Park

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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Occoquan Bay National Wildlife Refuge Temperature Statistics

October Temperature

Fort Belvoir (5.6 miles)

  • Lowest 2 October, 2025

    46.6 °F

  • Average October

    61 °F

  • Highest 4 October, 2025

    78.8 °F

Climate (2020–Present)

Fort Belvoir (5.6 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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