Potomac River - Fort Washington Light Weather Forecast

    • 70
    • 92

    Chance Thunderstorms

    • 64
    • 83

    Rain Showers Likely

    • 65
    • 85

    Mostly Sunny

    • 71
    • 87

    Chance Rain Showers

    • 65
    • 86

    Rain Showers

    • 64
    • 83

    Mostly Sunny

Today 18 Jun Prince Georges

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Breezy with Highs in the lower 90s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 18 Jun Prince Georges

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 50 percent.

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Potomac River - Fort Washington Light Temperature Statistics

June Temperature

Fort Belvoir (7.5 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    75.2 °F

  • Highest 12 June, 2026

    98.2 °F

Climate (2021–2026)

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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