Potomac River - Fort Washington Light Weather Forecast

    • 66
    • 83

    Chance Thunderstorms

    • 65
    • 81

    Chance Rain Showers

    • 71
    • 88

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 74
    • 95

    Chance Thunderstorms

Today 12 Jul Prince Georges

Mostly cloudy with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Jul Prince Georges

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

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Potomac River - Fort Washington Light Temperature Statistics

July Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 July, 2026

    72.3 °F

  • Average July

    83 °F

  • Highest 4 July, 2026

    101.3 °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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