Occoquan Weather Forecast

    • 48
    • 56

    Rain

    • 34
    • 57

    Chance Rain

    • 37
    • 58

    Mostly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 51
    • 59

    Rain Likely

    • 41
    • 67

    Slight Chance Rain

Today 21 Nov Fairfax

Cloudy. A slight chance of rain in the Morning, then a chance of rain in the afternoon. Highs in the mid 50s. South Winds around 5 Mph. Chance of rain 50 percent.

Tonight 21 Nov Fairfax

Rain. Lows in the upper 40s. Light and variable Winds, becoming northeast around 5 Mph after midnight. Chance of rain 90 percent.

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Occoquan Temperature Statistics

November Temperature

Fort Belvoir (4.3 miles)

  • Lowest 18 November, 2025

    26.2 °F

  • Average November

    50.3 °F

  • Highest 5 November, 2025

    73.6 °F

Climate (2020–Present)

Fort Belvoir (4.3 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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