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 90%
Wind Speed S 15 G 21 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Jan 4:56 pm CST
Extended Forecast for

Morgan City LA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 68. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before noon. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. North wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. North wind around 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. North wind 10 to 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Northeast wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Calm wind becoming north around 5 mph.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 68. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely, mainly before noon. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 48. North wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 57. North wind around 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 41. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 54. Northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 41. Northeast wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 57. Calm wind becoming north around 5 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 54.
Thursday Night
Clear, with a low around 39.
Friday
Sunny, with a high near 60.
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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:
5:11 pm CST Jan 9, 2026
Forecast Valid:
5pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation