Potomac River - Fort Washington Light Weather Forecast

    • 75
    • 92

    Chance Thunderstorms

    • 77
    • 93

    Chance Thunderstorms

    • 71
    • 92

    Chance Thunderstorms

    • 66
    • 85

    Partly Sunny

    • 64
    • 83

    Mostly Sunny

    • 65
    • 83

    Slight Chance Thunderstorms

Today 2 Sep Prince Georges

Mostly sunny. A slight chance of Showers in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. North Winds around 5 Mph, becoming east in the afternoon. Chance of rain 20 percent.

Tonight 2 Sep Prince Georges

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Potomac River - Fort Washington Light Temperature Statistics

September Temperature

Fort Belvoir (7.5 miles)

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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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