Potomac River - Fort Washington Light Weather Forecast

    • 71
    • 85

    Chance Rain Showers

    • 73
    • 86

    Rain Showers Likely

    • 74
    • 90

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 89

    Rain Showers Likely

    • 73
    • 89

    Chance Thunderstorms

Today 4 Aug Prince Georges

Partly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 4 Aug Prince Georges

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. East 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

    78.6 °F

  • Highest 1 August, 2026

    90.7 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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