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

81°F

27°C

Humidity 51%
Wind Speed S 12 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Apr 4:56 pm CDT
Extended Forecast for

Morgan City LA

  • Tonight

    Tonight: 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 82. South wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southwest wind 5 to 15 mph becoming north after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °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.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Northeast wind around 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. East wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. East wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 82. South wind 5 to 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southwest wind 5 to 15 mph becoming north after midnight. 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.
Sunday Night
Mostly cloudy, with a low around 55. Northeast wind around 10 mph.
Monday
Mostly sunny, with a high near 76. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Mostly 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:
5:45 pm CDT Apr 17, 2026
Forecast Valid:
5pm CDT Apr 17, 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