Potomac River - Fort Washington Light Weather Forecast

    • 72
    • 96

    Rain Showers Likely

    • 69
    • 86

    Rain Showers

    • 67
    • 83

    Chance Thunderstorms

    • 69
    • 85

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 93

    Chance Thunderstorms

Today 5 Jul Prince Georges

Mostly sunny. A chance of Thunderstorms with a slight chance of Showers in the afternoon. Hot with Highs in the mid 90s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 5 Jul Prince Georges

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 70 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

    86.8 °F

  • Highest 2 July, 2026

    100.2 °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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