National Weather Service Forecast for: Napoleonville LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 9:57 pm CST Dec 14, 2025
 
Tonight

Tonight: Clear, with a low around 28. Northeast wind 5 to 10 mph.
Clear

 Monday

Monday: Sunny, with a high near 49. Northeast wind around 5 mph becoming calm in the afternoon.
Sunny

 Monday
Night
Monday Night: Widespread frost, mainly after 1am. Otherwise, increasing clouds, with a low around 31. Calm wind.
Frost

 Tuesday

Tuesday: Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 63. Calm wind becoming east around 5 mph.
Frost then
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 48. Calm wind.
Mostly Cloudy

 Wednesday

Wednesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Mostly Cloudy
then Slight
Chance
Showers
 Wednesday
Night
Wednesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Chance
Showers

 Thursday

Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Chance
Showers

 Thursday
Night
Thursday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 50. Calm wind becoming north around 5 mph after midnight.
Slight Chance
Showers then
Partly Cloudy
Lo 28 °F Hi 49 °F Lo 31 °F Hi 63 °F Lo 48 °F Hi 71 °F Lo 57 °F Hi 77 °F Lo 50 °F

Cold Weather Advisory
 

Tonight
 
 Clear, with a low around 28. Northeast wind 5 to 10 mph.
Monday
 
 Sunny, with a high near 49. Northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
 
 Widespread frost, mainly after 1am. Otherwise, increasing clouds, with a low around 31. Calm wind.
Tuesday
 
 Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 63. Calm wind becoming east around 5 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 48. Calm wind.
Wednesday
 
 A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
 
 A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Thursday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
 
 A slight chance of showers before midnight. Partly cloudy, with a low around 50. Calm wind becoming north around 5 mph after midnight.
Friday
 
 Sunny, with a high near 66. Northeast wind around 5 mph.
Friday Night
 
 Partly cloudy, with a low around 49. Calm wind.
Saturday
 
 Mostly sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
 
 Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm.
Sunday
 
 Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph.

 

Forecast from NOAA-NWS for Napoleonville LA.