Potomac River - Chapmans Point Weather Forecast

    • 52
    • 80

    Rain Showers Likely

    • 36
    • 58

    Rain Showers Likely

    • 39
    • 50

    Partly Sunny

    • 45
    • 59

    Mostly Cloudy

    • 50
    • 64

    Chance Rain

    • 37
    • 58

    Chance Rain/Snow

Today 22 Mar Charles

Mostly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 22 Mar Charles

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 50s. Southwest Winds around 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Chapmans Point Temperature Statistics

March Temperature

Fort Belvoir (5.6 miles)

  • Lowest 13 March, 2026

    25.3 °F

  • Average March

    50.8 °F

  • Highest 11 March, 2026

    86.5 °F

Climate (2021–Present)

Fort Belvoir (5.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.2 °F
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