Potomac River - Fort Washington Light Weather Forecast

    • 53
    • 82

    Chance Thunderstorms

    • 48
    • 66

    Chance Rain Showers

    • 51
    • 69

    Mostly Sunny

    • 54
    • 73

    Rain Showers

    • 52
    • 70

    Chance Rain Showers

    • 56
    • 74

    Slight Chance Thunderstorms

Today 10 May Prince Georges

Mostly sunny. Patchy fog this morning. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 10 May Prince Georges

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Potomac River - Fort Washington Light Temperature Statistics

May Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    59.5 °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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