Potomac River - Mockley Point Weather Forecast

    • 18
    • 41

    Mostly Sunny

    • 16
    • 30

    Mostly Sunny

    • 32
    • 39

    Partly Sunny

    • 22
    • 46

    Partly Sunny

    • 25
    • 38

    Mostly Cloudy

    • 20
    • 34

    Chance Rain/Snow

Today 19 Jan Prince Georges

Sunny. Highs around 40. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph in the afternoon.

Tonight 19 Jan Prince Georges

Mostly clear. Lows around 17. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Potomac River - Mockley Point Temperature Statistics

January Temperature

Fort Belvoir (7.5 miles)

  • Lowest 16 January, 2026

    22.5 °F

  • Average January

    38.8 °F

  • Highest 7 January, 2026

    64 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.2 °F
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