Potomac River - Fort Washington Light Weather Forecast

    • 70
    • 88

    Rain Showers Likely

    • 72
    • 89

    Rain Showers

    • 65
    • 86

    Rain Showers Likely

    • 64
    • 81

    Mostly Sunny

    • 66
    • 78

    Mostly Cloudy

    • 67
    • 80

    Partly Sunny

Today 20 Jul Prince Georges

Partly sunny. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 20 Jul Prince Georges

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Lows around 70. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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Potomac River - Fort Washington Light Temperature Statistics

July Temperature

Fort Belvoir (7.5 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81.4 °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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