National Weather Service Forecast for: Chalmette LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 12:21 pm CST Dec 16, 2025
 
Tonight

Tonight: Cloudy, with a low around 52. East wind around 5 mph.
Cloudy


 Wednesday

Wednesday: A slight chance of showers before 9am, then a chance of showers after noon. Cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 30%.
Chance
Showers

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 59. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
then Chance
T-storms
 Thursday

Thursday: A chance of showers and thunderstorms. Patchy fog before noon. Otherwise, mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Chance
T-storms and
Patchy Fog
then Chance
Showers
 Thursday
Night
Thursday Night: A 30 percent chance of showers before midnight. Patchy fog between 9pm and 10pm. Otherwise, partly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Chance
Showers and
Patchy Fog
then Partly
Cloudy
 Friday

Friday: Sunny, with a high near 60. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 48. Southeast wind around 5 mph.
Mostly Clear


 Saturday

Saturday: Sunny, with a high near 70. South wind 5 to 10 mph.
Sunny


 Saturday
Night
Saturday Night: Partly cloudy, with a low around 59. South wind around 5 mph.
Partly Cloudy
Lo 52 °F Hi 63 °F Lo 59 °F Hi 73 °F Lo 49 °F Hi 60 °F Lo 48 °F Hi 70 °F Lo 59 °F

 

Tonight
 
 Cloudy, with a low around 52. East wind around 5 mph.
Wednesday
 
 A slight chance of showers before 9am, then a chance of showers after noon. Cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
 
 A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 59. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A chance of showers and thunderstorms. Patchy fog before noon. Otherwise, mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Thursday Night
 
 A 30 percent chance of showers before midnight. Patchy fog between 9pm and 10pm. Otherwise, partly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
 
 Sunny, with a high near 60. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 Mostly clear, with a low around 48. Southeast wind around 5 mph.
Saturday
 
 Sunny, with a high near 70. South wind 5 to 10 mph.
Saturday Night
 
 Partly cloudy, with a low around 59. South wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 73. South wind 5 to 10 mph.
Sunday Night
 
 Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Monday
 
 Partly sunny, with a high near 70. East wind around 5 mph.
Monday Night
 
 Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 71. East wind around 5 mph.

 

Forecast from NOAA-NWS for Chalmette LA.