Potomac River - Fort Washington Light Weather Forecast

    • 64
    • 80

    Rain Showers

    • 57
    • 79

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 57
    • 74

    Partly Sunny

    • 56
    • 75

    Partly Sunny

Today 27 May Prince Georges

Patchy fog in the morning. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs around 80. West Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 27 May Prince Georges

Mostly cloudy. Patchy fog in the evening. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid 60s. West Winds around 5 Mph. Chance of rain 80 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

    63.2 °F

  • Highest 19 May, 2026

    96.6 °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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