Potomac River - Mockley Point Weather Forecast

    • 66
    • 87

    Decreasing Clouds

    • 72
    • 89

    Mostly Sunny

    • 69
    • 91

    Rain Showers Likely

    • 65
    • 84

    Partly Sunny

    • 69
    • 84

    Chance Rain Showers

    • 69
    • 88

    Slight Chance Thunderstorms

Today 8 Sep Prince Georges

Mostly sunny. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 8 Sep Prince Georges

Partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Potomac River - Mockley Point Temperature Statistics

September Temperature

Fort Belvoir (7.5 miles)

  • Lowest 6 September, 2026

    62.6 °F

  • Average September

    78.1 °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

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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