Potomac River - Chapmans Point Weather Forecast

    • 69
    • 82

    Mostly Sunny

    • 70
    • 84

    Mostly Sunny

    • 75
    • 88

    Mostly Sunny

    • 79
    • 94

    Partly Sunny

    • 78
    • 93

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

Today 22 Jul Charles

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Charles

Mostly clear. Lows in the mid 60s. East Winds around 5 Mph.

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  • Temperature Real-Time

Potomac River - Chapmans Point Temperature Statistics

July Temperature

Fort Belvoir (5.6 miles)

  • Lowest 5 July, 2025

    61.7 °F
  • Average July

    80.6 °F
  • Highest 8 July, 2025

    96.3 °F

Climate (2020–Present)

Fort Belvoir (5.6 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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