National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

69°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1013.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Oct 8:56 pm CDT
Extended Forecast for

Morgan City LA

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind around 5 mph becoming calm.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind 5 to 10 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 5 to 15 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Northeast wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. South wind around 5 mph becoming calm.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 73. East wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 5 to 15 mph.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 65. Northeast wind around 5 mph.
Monday
Sunny, with a high near 83. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 70. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers after 1pm. Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
7:45 pm CDT Oct 16, 2025
Forecast Valid:
9pm CDT Oct 16, 2025-6pm CDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation