Morgan City Weather Forecast

    • 61
    • 66

    Chance Rain Showers

    • 50
    • 74

    Chance Rain Showers

    • 49
    • 62

    Mostly Sunny

    • 62
    • 71

    Partly Sunny

    • 62
    • 75

    Partly Sunny

    • 62
    • 74

    Partly Sunny

Today 17 Dec Upper St. Mary

Mostly cloudy with a chance of Sprinkles. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 17 Dec Upper St. Mary

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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Morgan City Temperature Statistics

December Temperature

Patterson Memorial (7.5 miles)

  • Lowest 15 December, 2025

    28.9 °F

  • Average December

    52.6 °F

  • Highest 13 December, 2025

    78.1 °F

Climate (2020–Present)

Patterson Memorial (7.5 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    68 °F

  • Average High 2020–2025

    76.9 °F
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