Potomac River - Chapmans Point Weather Forecast

    • 74
    • 84

    Chance Rain Showers

    • 74
    • 86

    Chance Rain Showers

    • 77
    • 86

    Rain Showers Likely

    • 73
    • 88

    Slight Chance Thunderstorms

    • 70
    • 87

    Mostly Sunny

    • 74
    • 89

    Partly Sunny

    • 72
    • 90

    Chance Rain Showers

Today 14 Aug Charles

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 80s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 14 Aug Charles

Mostly cloudy with scattered Thunderstorms with a chance of Showers this Evening, then partly cloudy after midnight. Lows around 70. North Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Chapmans Point Temperature Statistics

August Temperature

Fort Belvoir (5.6 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    79.8 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (5.6 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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