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.

Mostly Cloudy

69°F

21°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Apr 3:56 am CDT
Extended Forecast for

Morgan City LA

  • Today

    Today: Partly sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 70 °F

    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 75. East wind around 10 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. East wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 77. Northeast wind 5 to 15 mph becoming southeast in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. East wind 5 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 77. Southeast wind 5 to 10 mph.

    High: 77 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. South wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 56. Northeast wind around 10 mph.
Monday
Partly sunny, with a high near 75. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 58. East wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 77. Northeast wind 5 to 15 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64. East wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 77. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
2:45 am CDT Apr 18, 2026
Forecast Valid:
4am CDT Apr 18, 2026-6pm CDT Apr 24, 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