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.

A Few Clouds

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1016.4 mb)
Dewpoint 67°F (19°C)
Visibility 8.00 mi
Last update 17 Apr 2:56 am CDT
Extended Forecast for

Morgan City LA

  • Overnight

    Overnight: Mostly clear, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 70. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Northeast wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. East wind around 10 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. South wind around 5 mph.
Friday
Sunny, with a high near 82. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 81. South wind 5 to 10 mph.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 70. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 56. Northeast wind around 10 mph.
Monday
Partly sunny, with a high near 74. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
2:46 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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