Potomac River - Fort Washington Light Weather Forecast

    • 63
    • 84

    Slight Chance Thunderstorms

    • 62
    • 85

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 70
    • 88

    Chance Rain Showers

    • 70
    • 88

    Rain Showers Likely

    • 70
    • 88

    Slight Chance Thunderstorms

    • 69
    • 87

    Partly Sunny

Today 23 Aug Prince Georges

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 23 Aug Prince Georges

Mostly clear. Lows in the lower 60s. West Winds around 5 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 21 August, 2026

    63.7 °F

  • Average August

    79.2 °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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