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

58°F

14°C

Humidity 72%
Wind Speed NE 3 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 29 Mar 2:56 am CDT
Extended Forecast for

Morgan City LA

  • Overnight

    Overnight: Clear, with a low around 58. Northeast wind around 5 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 78. East wind 5 to 10 mph becoming southeast in the afternoon.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 67. East wind 5 to 10 mph.

    Low: 67 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 58. Northeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 78. East wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 67. East wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
3:11 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 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