Potomac River - Fort Washington Light Weather Forecast

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Rain Showers

    • 67
    • 87

    Slight Chance Thunderstorms

    • 66
    • 82

    Partly Sunny

    • 71
    • 86

    Chance Rain Showers

Today 11 Aug Prince Georges

Partly sunny. A chance of Showers this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs around 90. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 11 Aug Prince Georges

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 40 percent.

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Potomac River - Fort Washington Light Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    80.1 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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