Morgan City Weather Forecast

    • 78
    • 87

    Chance Thunderstorms

    • 79
    • 86

    Partly Sunny

    • 78
    • 87

    Mostly Sunny

    • 77
    • 88

    Partly Sunny

    • 76
    • 88

    Slight Chance Thunderstorms

    • 76
    • 87

    Chance Thunderstorms

Today 20 Jun Upper St. Mary

Partly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 20 Jun Upper St. Mary

Mostly cloudy. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph.

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Morgan City Temperature Statistics

June Temperature

Patterson Memorial (7.5 miles)

  • Lowest 5 June, 2026

    71.1 °F

  • Average June

    80.7 °F

  • Highest 13 June, 2026

    91 °F

Climate (2021–2026)

Patterson Memorial (7.5 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    77.3 °F
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