Potomac River - Swan Creek Entrance Weather Forecast

    • 76
    • 99

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Rain Showers

    • 73
    • 90

    Rain Showers

    • 69
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

Today 16 Jul Prince Georges

Mostly sunny. Areas of smoke. Hot with Highs in the upper 90s. Northwest Winds around 5 Mph, becoming west in the afternoon.

Tonight 16 Jul Prince Georges

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Areas of smoke after midnight. Lows in the mid 70s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Potomac River - Swan Creek Entrance Temperature Statistics

July Temperature

Fort Belvoir (8.1 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81.2 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (8.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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