Potomac River - Pomonkey Creek Entrance Weather Forecast

    • 64
    • 77

    Rain Showers

    • 59
    • 67

    Rain Showers

    • 59
    • 63

    Chance Rain Showers

    • 54
    • 63

    Chance Rain Showers

    • 54
    • 65

    Partly Sunny

    • 56
    • 66

    Partly Sunny

Today 21 Sep Charles

Mostly cloudy. A slight chance of Showers this afternoon. Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Sep Charles

Cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Potomac River - Pomonkey Creek Entrance Temperature Statistics

September Temperature

Fort Belvoir (6.8 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    75.5 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (6.8 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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