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

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.42 in (1030.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Jan 1:56 am CST
Extended Forecast for

Morgan City LA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Northeast wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. East wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. East wind around 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Cloudy, with a high near 69. Southeast wind 10 to 15 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 71. East wind around 5 mph becoming south in the afternoon.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 61. South wind around 5 mph becoming east after midnight.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • 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 after midnight. Mostly cloudy, with a low around 53. Northeast wind 10 to 15 mph.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 62. East wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 51. East wind around 10 mph.
Wednesday
A 20 percent chance of showers after noon. Cloudy, with a high near 69. Southeast wind 10 to 15 mph.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 60. Southeast wind around 5 mph.
Thursday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 71. East wind around 5 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of showers after midnight. 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 after midnight. Mostly cloudy, with a low around 53. Northeast wind 10 to 15 mph.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
Showers likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 43.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
12:45 am CST Jan 20, 2026
Forecast Valid:
2am CST Jan 20, 2026-6pm CST Jan 26, 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