Potomac River - Fort Washington Light Weather Forecast

    • 75
    • 92

    Decreasing Clouds

    • 78
    • 97

    Hot

    • 78
    • 97

    Slight Chance Thunderstorms

    • 75
    • 97

    Chance Rain Showers

    • 70
    • 90

    Chance Rain Showers

    • 66
    • 86

    Slight Chance Thunderstorms

Today 31 Aug Prince Georges

Partly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs in the lower 90s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 31 Aug Prince Georges

Mostly cloudy with isolated Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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Potomac River - Fort Washington Light Temperature Statistics

August Temperature

Fort Belvoir (7.5 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    78 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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