Patuxent River - Hellen Creek Entrance Weather Forecast

    • 77
    • 92

    Isolated Thunderstorms

    • 71
    • 85

    Partly Sunny

    • 71
    • 83

    Mostly Sunny

    • 71
    • 84

    Mostly Sunny

    • 75
    • 88

    Mostly Sunny

    • 79
    • 94

    Partly Sunny

Today 20 Jul Calvert

Partly sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Jul Calvert

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. Northwest Winds 5 to 10 Mph.

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Patuxent River - Hellen Creek Entrance Temperature Statistics

July Temperature

St Marys County Airport (4.3 miles)

  • Lowest 5 July, 2025

    62.6 °F
  • Average July

    78.1 °F
  • Highest 1 July, 2025

    91.4 °F

Climate (2020–Present)

St Marys County Airport (4.3 miles)

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  • Average Low 2020–2025

    49.6 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    66.8 °F
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