National Weather Service Forecast for: Chalmette LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 5:56 am CST Dec 22, 2025
 
Today

Today: Cloudy through mid morning, then gradual clearing, with a high near 74. Southeast wind 5 to 10 mph.
Gradual
Clearing
Tonight

Tonight: Mostly clear, with a low around 59. East wind around 5 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 73. East wind around 5 mph.
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 58. East wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Wednesday

Wednesday: Partly sunny, with a high near 71. Calm wind becoming east around 5 mph in the morning.
Partly Sunny
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm  in the evening.
Mostly Cloudy
Christmas
Day
Christmas Day: Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the morning.
Partly Sunny
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 59. South wind around 5 mph.
Mostly Cloudy
Friday

Friday: Mostly sunny, with a high near 75. Southwest wind 5 to 10 mph.
Mostly Sunny
Hi 74 °F Lo 59 °F Hi 73 °F Lo 58 °F Hi 71 °F Lo 58 °F Hi 73 °F Lo 59 °F Hi 75 °F

Dense Fog Advisory
 

Today
 
Cloudy through mid morning, then gradual clearing, with a high near 74. Southeast wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 59. East wind around 5 mph.
Tuesday
 
Sunny, with a high near 73. East wind around 5 mph.
Tuesday Night
 
Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Wednesday
 
Partly sunny, with a high near 71. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
 
Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Christmas Day
 
Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night
 
Mostly cloudy, with a low around 59. South wind around 5 mph.
Friday
 
Mostly sunny, with a high near 75. Southwest wind 5 to 10 mph.
Friday Night
 
Mostly clear, with a low around 60. South wind around 5 mph.
Saturday
 
Sunny, with a high near 75. South wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 59. South wind around 5 mph.
Sunday
 
A slight chance of showers. Partly sunny, with a high near 72. South wind 5 to 10 mph becoming north in the afternoon.

 

Forecast from NOAA-NWS for Chalmette LA.