Potomac River - Fort Washington Light Weather Forecast

    • 69
    • 89

    Partly Sunny

    • 71
    • 90

    Mostly Cloudy

    • 71
    • 86

    Rain Showers Likely

    • 70
    • 84

    Chance Thunderstorms

    • 70
    • 86

    Chance Rain Showers

    • 73
    • 89

    Chance Thunderstorms

Today 31 Jul Prince Georges

Sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 31 Jul Prince Georges

Partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

July Temperature

Fort Belvoir (7.5 miles)

  • Lowest 24 July, 2026

    57.6 °F

  • Average July

    79.7 °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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