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.

Overcast

77°F

25°C

Humidity 74%
Wind Speed S 9 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 6:56 pm CDT
Extended Forecast for

Morgan City LA

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Southeast wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: 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 slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 72. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Northeast wind around 10 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 82. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 68. Southwest wind 5 to 10 mph becoming light south in the evening.
Friday
Sunny, with a high near 81. Southeast wind 5 to 10 mph.
Friday Night
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 slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 72. Northeast wind around 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 57. Northeast wind around 10 mph.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
6:45 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 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