Potomac River - Fort Washington Light Weather Forecast

    • 75
    • 95

    Smoke

    • 69
    • 87

    Mostly Sunny

    • 70
    • 85

    Chance Thunderstorms

    • 74
    • 88

    Rain Showers Likely

    • 67
    • 85

    Chance Thunderstorms

    • 66
    • 81

    Mostly Sunny

Today 18 Jul Prince Georges

Mostly cloudy. Smoke in the Morning, then patchy smoke in the afternoon. Numerous Showers and Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the afternoon. Chance of rain 70 percent.

Tonight 18 Jul Prince Georges

Mostly cloudy. Numerous Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may be severe with damaging Winds in the evening. Lows in the mid 70s. West 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

    81.1 °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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