Potomac River - Fort Washington Light Weather Forecast

    • 31
    • 73

    Rain Showers

    • 26
    • 42

    Partly Sunny

    • 30
    • 41

    Mostly Cloudy

    • 38
    • 53

    Mostly Cloudy

    • 44
    • 60

    Slight Chance Rain

    • 42
    • 64

    Partly Sunny

Today 16 Mar Prince Georges

Showers likely with a slight chance of Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Some Thunderstorms may be severe with damaging Winds and Tornadoes in the afternoon. Highs in the lower 70s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

Tonight 16 Mar Prince Georges

Rain Showers with Thunderstorms likely in the Evening, then rain Showers likely after midnight. Some Thunderstorms may be severe with damaging Winds and Tornadoes. Cooler with Lows in the lower 30s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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Potomac River - Fort Washington Light Temperature Statistics

March Temperature

Fort Belvoir (7.5 miles)

  • Lowest 13 March, 2026

    25.3 °F

  • Average March

    51.5 °F

  • Highest 11 March, 2026

    86.5 °F

Climate (2021–Present)

Fort Belvoir (7.5 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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