Potomac River - Fort Washington Light Weather Forecast

    • 68
    • 78

    Mostly Cloudy

    • 64
    • 86

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 85

    Partly Sunny

    • 70
    • 87

    Mostly Cloudy

    • 70
    • 86

    Mostly Cloudy

Today 22 Aug Prince Georges

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 40 percent.

Tonight 22 Aug Prince Georges

Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then scattered Showers with isolated Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph, becoming south around 5 Mph after midnight. Chance of rain 50 percent.

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Potomac River - Fort Washington Light Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 19 August, 2026

    64.9 °F

  • Average August

    79.5 °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

    68.4 °F
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