Potomac River - Fort Washington Light Weather Forecast

    • 71
    • 79

    Rain Showers

    • 64
    • 76

    Slight Chance Rain Showers

    • 62
    • 81

    Mostly Sunny

    • 68
    • 82

    Partly Sunny

    • 67
    • 84

    Chance Rain Showers

    • 61
    • 83

    Slight Chance Thunderstorms

    • 60
    • 78

    Partly Sunny

Today 20 Aug Prince Georges

Cloudy with scattered Showers. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 30 percent.

Tonight 20 Aug Prince Georges

Mostly cloudy. Scattered Showers, mainly in the evening. Lows in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Potomac River - Fort Washington Light Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 10 August, 2025

    58.1 °F

  • Average August

    74.9 °F

  • Highest 17 August, 2025

    93.7 °F

Climate (2020–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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