Potomac River - Fort Washington Light Weather Forecast

    • 52
    • 58

    Rain

    • 57
    • 60

    Rain

    • 62
    • 75

    Rain Showers Likely

    • 62
    • 79

    Rain Showers Likely

    • 62
    • 75

    Chance Rain Showers

    • 63
    • 80

    Slight Chance Thunderstorms

    • 60
    • 80

    Slight Chance Thunderstorms

Today 22 May Prince Georges

Widespread Showers. Areas of fog. Highs in the lower 60s. East Winds around 10 Mph. Chance of rain 80 percent.

Tonight 22 May Prince Georges

Rain likely. Patchy fog. Lows in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 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

    63.6 °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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