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

57°F

14°C

Humidity 81%
Wind Speed E 8 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 21 Jan 7:56 am CST
Extended Forecast for

Morgan City LA

  • Today

    Today: A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 69. South wind 5 to 15 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 72. East wind around 5 mph becoming south in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. South wind around 5 mph becoming east after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East wind 5 to 10 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 52. Northeast wind around 10 mph.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after noon. Cloudy, with a high near 55. Northeast wind 10 to 15 mph. Chance of precipitation is 60%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 35. North wind around 15 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 38. North wind around 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 69. South wind 5 to 15 mph.
Tonight
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 72. East wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a low around 61. South wind around 5 mph becoming east after midnight.
Friday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 52. Northeast wind around 10 mph.
Saturday
Showers likely, mainly after noon. Cloudy, with a high near 55. Northeast wind 10 to 15 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Cloudy, with a low around 35. North wind around 15 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 38. North wind around 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
7:26 am CST Jan 21, 2026
Forecast Valid:
8am CST Jan 21, 2026-6pm CST Jan 27, 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