Potomac River - Swan Creek Entrance Weather Forecast

    • 73
    • 89

    Slight Chance Thunderstorms

    • 75
    • 92

    Slight Chance Thunderstorms

    • 78
    • 97

    Hot

    • 77
    • 97

    Slight Chance Thunderstorms

    • 74
    • 95

    Chance Rain Showers

    • 70
    • 90

    Chance Rain Showers

Today 30 Aug Prince Georges

Mostly sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 30 Aug Prince Georges

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Swan Creek Entrance Temperature Statistics

August Temperature

Fort Belvoir (8.1 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    78 °F

  • Highest 8 August, 2026

    92.8 °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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