Potomac River - Fort Washington Light Weather Forecast

    • 60
    • 65

    Rain Showers

    • 61
    • 71

    Mostly Cloudy

    • 61
    • 76

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 61
    • 84

    Mostly Cloudy

    • 57
    • 71

    Slight Chance Rain Showers

Today 27 Sep Prince Georges

Numerous Showers. Highs in the lower 60s. Northwest Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 27 Sep Prince Georges

Cloudy. Scattered Showers, mainly in the evening. Lows in the upper 50s. Northwest Winds 10 to 15 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Potomac River - Fort Washington Light Temperature Statistics

September Temperature

Fort Belvoir (7.5 miles)

  • Lowest 25 September, 2026

    52 °F

  • Average September

    73.1 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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