Potomac River - Chapman Point Weather Forecast

    • 78
    • 90

    Thunderstorms Likely

    • 77
    • 92

    Mostly Sunny

    • 78
    • 92

    Mostly Sunny

    • 79
    • 94

    Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 67
    • 77

    Chance Rain Showers

Today 27 Jul Charles

Showers and Thunderstorms likely. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 60 percent.

Tonight 27 Jul Charles

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. West Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Chapman Point Temperature Statistics

July Temperature

Fort Belvoir (6.8 miles)

  • Lowest 5 July, 2025

    61.7 °F

  • Average July

    80.3 °F

  • Highest 25 July, 2025

    97.5 °F

Climate (2020–Present)

Fort Belvoir (6.8 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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