Potomac River - Fort Washington Light Weather Forecast

    • 54
    • 77

    Rain Showers

    • 51
    • 66

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 67
    • 90

    Slight Chance Thunderstorms

    • 69
    • 92

    Mostly Sunny

Today 13 May Prince Georges

Mostly sunny. A chance of Showers this afternoon. Highs in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 13 May Prince Georges

Showers with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Patchy fog after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain near 100 percent.

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Potomac River - Fort Washington Light Temperature Statistics

May Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    59.8 °F

  • Highest 5 May, 2026

    85.3 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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