Potomac River - Fort Washington Light Weather Forecast

    • 71
    • 89

    Thunderstorms

    • 68
    • 84

    Rain Showers Likely

    • 66
    • 83

    Partly Sunny

    • 65
    • 83

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

Today 10 Jul Prince Georges

Mostly sunny. Scattered Showers and Thunderstorms in the afternoon. Highs around 90. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 10 Jul Prince Georges

Mostly cloudy. Scattered Showers and Thunderstorms, mainly in the evening. Lows in the lower 70s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 30 percent.

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Potomac River - Fort Washington Light Temperature Statistics

July Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 July, 2026

    72.3 °F

  • Average July

    84.3 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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