Potomac River - Fort Washington Light Weather Forecast

    • 73
    • 96

    Mostly Sunny

    • 60
    • 95

    Rain Showers

    • 54
    • 68

    Rain Showers Likely

    • 53
    • 63

    Rain Showers

    • 60
    • 71

    Rain Showers Likely

    • 61
    • 76

    Rain Showers Likely

Today 19 May Prince Georges

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 May Prince Georges

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 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 °F

  • Highest 17 May, 2026

    88.7 °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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