National Weather Service Forecast for: Mandeville LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 5:26 am CST Dec 18, 2025
 
Today

Today: Showers and thunderstorms likely, mainly before noon.  Patchy dense fog between 8am and 11am.  Otherwise, partly sunny, with a high near 69. Southeast wind around 10 mph becoming southwest in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely and
Patchy Dense
Fog then
Chance
T-storms
Tonight

Tonight: Mostly cloudy, then gradually becoming clear, with a low around 49. Southwest wind 10 to 15 mph becoming north after midnight.
Decreasing
Clouds


Friday

Friday: Sunny, with a high near 60. North wind 5 to 15 mph.
Sunny


Friday
Night
Friday Night: Clear, with a low around 48. Northeast wind around 5 mph becoming southeast after midnight.
Clear


Saturday

Saturday: Sunny, with a high near 68. South wind 5 to 10 mph.
Sunny


Saturday
Night
Saturday Night: Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Partly Cloudy


Sunday

Sunday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 70. East wind 5 to 10 mph.
Partly Sunny
then Slight
Chance
Showers

Sunday
Night
Sunday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 58. East wind 5 to 10 mph.
Slight Chance
Showers then
Mostly Cloudy

Monday

Monday: Mostly sunny, with a high near 66. East wind around 10 mph.
Mostly Sunny


Hi 69 °F Lo 49 °F Hi 60 °F Lo 48 °F Hi 68 °F Lo 59 °F Hi 70 °F Lo 58 °F Hi 66 °F

 

Today
 
Showers and thunderstorms likely, mainly before noon. Patchy dense fog between 8am and 11am. Otherwise, partly sunny, with a high near 69. Southeast wind around 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
Mostly cloudy, then gradually becoming clear, with a low around 49. Southwest wind 10 to 15 mph becoming north after midnight.
Friday
 
Sunny, with a high near 60. North wind 5 to 15 mph.
Friday Night
 
Clear, with a low around 48. Northeast wind around 5 mph becoming southeast after midnight.
Saturday
 
Sunny, with a high near 68. South wind 5 to 10 mph.
Saturday Night
 
Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Sunday
 
A 20 percent chance of showers after noon. Partly sunny, with a high near 70. East wind 5 to 10 mph.
Sunday Night
 
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 58. East wind 5 to 10 mph.
Monday
 
Mostly sunny, with a high near 66. East wind around 10 mph.
Monday Night
 
Partly cloudy, with a low around 57. East wind 5 to 10 mph.
Tuesday
 
Sunny, with a high near 69. Southeast wind 5 to 10 mph.
Tuesday Night
 
Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph.
Wednesday
 
Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Mandeville LA.