National Weather Service Forecast for: Zachary LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 3:31 pm CST Dec 17, 2025
 
Tonight

Tonight: A 30 percent chance of showers, mainly after 1am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 57. Southeast wind around 5 mph.
Patchy Fog
then Chance
Showers and
Patchy Fog
 Thursday

Thursday: A chance of showers, with thunderstorms also possible after 3pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Chance
Showers and
Areas Fog
 Thursday
Night
Thursday Night: Mostly clear, with a low around 44. West wind 5 to 10 mph becoming north after midnight.
Mostly Clear

 Friday

Friday: Sunny, with a high near 62. North wind around 5 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 74. South wind 5 to 10 mph.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 57. South wind around 5 mph.
Partly Cloudy

 Sunday

Sunday: A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Mostly Cloudy
Lo 57 °F Hi 75 °F Lo 44 °F Hi 62 °F Lo 42 °F Hi 74 °F Lo 57 °F Hi 74 °F Lo 57 °F

Dense Fog Advisory
 

Tonight
 
 A 30 percent chance of showers, mainly after 1am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 57. Southeast wind around 5 mph.
Thursday
 
 A chance of showers, with thunderstorms also possible after 3pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Thursday Night
 
 Mostly clear, with a low around 44. West wind 5 to 10 mph becoming north after midnight.
Friday
 
 Sunny, with a high near 62. North wind around 5 mph.
Friday Night
 
 Mostly clear, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Saturday
 
 Sunny, with a high near 74. South wind 5 to 10 mph.
Saturday Night
 
 Partly cloudy, with a low around 57. South wind around 5 mph.
Sunday
 
 A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
 
 Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Monday
 
 Mostly sunny, with a high near 73. Southeast wind around 5 mph.
Monday Night
 
 Partly cloudy, with a low around 55. Southeast wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 75. Southeast 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.

 

Forecast from NOAA-NWS for Zachary LA.