National Weather Service Forecast for: Zachary LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 2:52 pm CST Dec 19, 2025
 
Tonight

Tonight: Clear, with a low around 41. Calm wind becoming southeast around 5 mph after midnight.
Clear

 Saturday

Saturday: Sunny, with a high near 73. Southeast wind 5 to 10 mph becoming south in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Increasing clouds, with a low around 59. South wind around 5 mph becoming southeast after midnight.
Increasing
Clouds
 Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind around 5 mph. Chance of precipitation is 60%.
Showers
Likely
 Sunday
Night
Sunday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 60. East wind around 5 mph.
Chance
Showers then
Mostly Cloudy
 Monday

Monday: Partly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Partly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 75. South wind around 5 mph.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Partly Cloudy
Lo 41 °F Hi 73 °F Lo 59 °F Hi 74 °F Lo 60 °F Hi 70 °F Lo 55 °F Hi 75 °F Lo 55 °F

 

Tonight
 
 Clear, with a low around 41. Calm wind becoming southeast around 5 mph after midnight.
Saturday
 
 Sunny, with a high near 73. Southeast wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
 
 Increasing clouds, with a low around 59. South wind around 5 mph becoming southeast after midnight.
Sunday
 
 A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
 
 A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 60. East wind around 5 mph.
Monday
 
 Partly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Monday Night
 
 Mostly clear, with a low around 55. Southeast wind around 5 mph.
Tuesday
 
 Sunny, with a high near 75. South wind around 5 mph.
Tuesday Night
 
 Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Wednesday
 
 Mostly sunny, with a high near 74. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
 
 Mostly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.
Christmas Day
 
 Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the morning.
Thursday Night
 
 Mostly cloudy, with a low around 56. South wind around 5 mph becoming calm after midnight.
Friday
 
 Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.

 

Forecast from NOAA-NWS for Zachary LA.