Occoquan Bay National Wildlife Refuge Weather Forecast

    • 73
    • 93

    Rain Showers

    • 69
    • 79

    Chance Rain Showers

    • 69
    • 77

    Chance Rain Showers

    • 69
    • 82

    Slight Chance Rain Showers

    • 67
    • 83

    Partly Sunny

    • 68
    • 83

    Partly Sunny

    • 70
    • 85

    Slight Chance Thunderstorms

Today 17 Aug Central and Southeast Prince William/Manassas/Manassas Park

Mostly sunny with isolated Showers and Thunderstorms. Highs in the mid 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Aug Central and Southeast Prince William/Manassas/Manassas Park

Mostly cloudy. Scattered Showers with isolated Thunderstorms this evening. Some Thunderstorms may produce gusty Winds and heavy rainfall this evening. Lows around 70. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Occoquan Bay National Wildlife Refuge Temperature Statistics

August Temperature

Fort Belvoir (5.6 miles)

  • Lowest 10 August, 2025

    58.1 °F

  • Average August

    74.2 °F

  • Highest 14 August, 2025

    92.5 °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

    68.3 °F
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