Potomac River - Chapman Point Weather Forecast

    • 75
    • 97

    Smoke

    • 74
    • 91

    Smoke

    • 74
    • 91

    Rain Showers

    • 71
    • 88

    Chance Thunderstorms

    • 73
    • 83

    Partly Sunny

    • 74
    • 86

    Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

Today 16 Jul Charles

Sunny, hot with Highs in the mid 90s. West Winds 5 to 10 Mph.

Tonight 16 Jul Charles

Mostly clear. Isolated Showers and Thunderstorms this evening. Smoke after midnight. Some Thunderstorms may produce gusty Winds, small Hail, and frequent lightning this evening. Lows in the mid 70s. Southwest Winds around 5 Mph, becoming north after midnight. Chance of rain 20 percent.

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Potomac River - Chapman Point Temperature Statistics

July Temperature

Fort Belvoir (6.8 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (6.8 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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