Potomac River - Maryland Point Observatory Weather Forecast

    • 69
    • 82

    Chance Rain Showers

    • 70
    • 83

    Rain Showers

    • 70
    • 86

    Slight Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

    • 66
    • 83

    Mostly Sunny

    • 68
    • 86

    Mostly Sunny

Today 11 Sep Charles

Mostly cloudy. A chance of Showers, mainly in the morning. Highs in the lower 80s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 Sep Charles

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Maryland Point Observatory Temperature Statistics

September Temperature

Quantico Marine Corps Airfield - Turner Field (9.3 miles)

  • Lowest 8 September, 2026

    61 °F

  • Average September

    78.1 °F

  • Highest 1 September, 2026

    98.1 °F

Climate (2021–2026)

Quantico Marine Corps Airfield - Turner Field (9.3 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    68.6 °F
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