Potomac River - Fort Washington Light Weather Forecast

    • 17
    • 30

    Mostly Sunny

    • 34
    • 41

    Partly Sunny

    • 28
    • 50

    Partly Sunny

    • 13
    • 39

    Mostly Cloudy

    • 14
    • 20

    Snow Likely

    • 12
    • 22

    Chance Snow

Today 20 Jan Prince Georges

Sunny. Highs in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Jan Prince Georges

Clear. Lows around 16. Northwest Winds around 5 Mph, becoming east around 5 Mph after midnight.

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Potomac River - Fort Washington Light 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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