National Weather Service Forecast for: Chalmette LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 6:20 am CDT Jul 5, 2025
 
Today

Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 92. North wind around 5 mph becoming east in the afternoon.
Sunny then
Chance
T-storms
 Tonight

Tonight: Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Decreasing
Clouds

 Sunday

Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
T-storms then
T-storms
Likely
 Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Slight Chance
T-storms

 Monday

Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Chance
T-storms then
T-storms
Likely
 Monday
Night
Monday Night: Mostly clear, with a low around 78. West wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. West wind around 5 mph.
Slight Chance
T-storms then
Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph.
Mostly Clear

 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 93. Northwest wind around 5 mph.
T-storms
Likely
Hi 92 °F Lo 78 °F Hi 92 °F Lo 77 °F Hi 91 °F Lo 78 °F Hi 92 °F Lo 78 °F Hi 93 °F

 

Today
 
 A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 92. North wind around 5 mph becoming east in the afternoon.
Tonight
 
 Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Sunday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 78. West wind around 5 mph.
Tuesday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. West wind around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 78. Southwest wind around 5 mph.
Wednesday
 
 Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 93. Northwest wind around 5 mph.
Wednesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. Southwest wind around 5 mph.
Thursday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 93. West wind 5 to 10 mph.
Thursday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Friday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. West wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Chalmette LA.