Potomac River - Fort Washington Light Weather Forecast

    • 61
    • 96

    Rain Showers Likely

    • 53
    • 68

    Rain Showers Likely

    • 52
    • 62

    Rain Showers

    • 57
    • 66

    Rain Showers Likely

    • 61
    • 71

    Chance Rain Showers

    • 64
    • 80

    Chance Thunderstorms

Today 20 May Prince Georges

Sunny. Showers likely with a chance of Thunderstorms this afternoon. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 May Prince Georges

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

    61.9 °F

  • Highest 18 May, 2026

    94.8 °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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