Potomac River - Fort Washington Light Weather Forecast

    • 73
    • 88

    Rain Showers Likely

    • 74
    • 91

    Partly Sunny

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

    • 75
    • 92

    Slight Chance Thunderstorms

Today 5 Aug Prince Georges

Patchy fog in the morning. Showers likely with a slight chance of Thunderstorms in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. East Winds around 5 Mph, becoming south in the afternoon. Chance of rain 70 percent.

Tonight 5 Aug Prince Georges

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 50 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

    78.3 °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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