Potomac River - Fort Washington Light Weather Forecast

    • 75
    • 93

    Chance Thunderstorms

    • 72
    • 91

    Rain Showers Likely

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 68
    • 84

    Slight Chance Rain Showers

    • 67
    • 83

    Slight Chance Rain Showers

Today 10 Aug Prince Georges

Sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 10 Aug Prince Georges

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph, becoming west after midnight. 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

    79.7 °F

  • Highest 6 August, 2026

    92.5 °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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