Patuxent River - Swanson Creek Entrance Weather Forecast

    • 62
    • 81

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 64
    • 81

    Mostly Cloudy

    • 63
    • 78

    Chance Rain Showers

    • 62
    • 75

    Chance Rain Showers

    • 65
    • 80

    Slight Chance Rain Showers

Today 13 Sep St. Marys

Sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming southeast this afternoon.

Tonight 13 Sep St. Marys

Mostly clear. Lows around 60. Southeast Winds around 5 Mph, becoming southwest around 5 Mph after midnight.

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  • Temperature Real-Time

Patuxent River - Swanson Creek Entrance Temperature Statistics

September Temperature

St Marys County Airport (16.8 miles)

  • Lowest 3 September, 2025

    53.2 °F
  • Average September

    68.5 °F
  • Highest 4 September, 2025

    86.9 °F

Climate (2020–Present)

St Marys County Airport (16.8 miles)

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  • Average Low 2020–2025

    49.6 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    66.7 °F
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