Chesapeake Bay - Patuxent River Entrance Weather Forecast

    • 74
    • 82

    Rain Showers

    • 74
    • 83

    Chance Rain Showers

    • 66
    • 79

    Mostly Sunny

    • 66
    • 78

    Mostly Sunny

    • 67
    • 78

    Mostly Sunny

    • 69
    • 81

    Partly Sunny

    • 69
    • 83

    Partly Sunny

Today 12 Sep St. Marys

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 12 Sep St. Marys

Scattered Showers and Thunderstorms in the Evening, then Showers with isolated Thunderstorms after midnight. Lows around 70. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Patuxent River Entrance Temperature Statistics

September Temperature

Patuxent River, Naval Air Station (2.5 miles)

  • Lowest 8 September, 2026

    64 °F

  • Average September

    77.6 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

Patuxent River, Naval Air Station (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    69.2 °F
Get WillyWeather+ to remove ads