National Weather Service Forecast for: Gretna LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:30 pm CST Dec 22, 2025
 
Overnight

Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph.
Patchy Fog

 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Southeast wind around 5 mph.
Patchy Fog
then Mostly
Sunny
 Tuesday
Night
Tuesday Night: Widespread dense fog, mainly between 10pm and 4am. Otherwise, increasing clouds, with a low around 59. East wind around 5 mph becoming calm.
Dense Fog

 Wednesday

Wednesday: Areas of fog before 7am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Areas Fog
then Mostly
Sunny
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Mostly Cloudy

 Christmas
Day
Christmas Day: Partly sunny, with a high near 72. Calm wind becoming south around 5 mph.
Partly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 59. South wind around 5 mph.
Mostly Cloudy

 Friday

Friday: Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Partly Cloudy
Lo 58 °F Hi 75 °F Lo 59 °F Hi 72 °F Lo 58 °F Hi 72 °F Lo 59 °F Hi 76 °F Lo 61 °F

 

Overnight
 
 Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph.
Tuesday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Southeast wind around 5 mph.
Tuesday Night
 
 Widespread dense fog, mainly between 10pm and 4am. Otherwise, increasing clouds, with a low around 59. East wind around 5 mph becoming calm.
Wednesday
 
 Areas of fog before 7am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
 
 Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Christmas Day
 
 Partly sunny, with a high near 72. Calm wind becoming south around 5 mph.
Thursday Night
 
 Mostly cloudy, with a low around 59. South wind around 5 mph.
Friday
 
 Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Friday Night
 
 Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Saturday
 
 Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 60. South wind around 5 mph.
Sunday
 
 A slight chance of showers. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
 
 A slight chance of showers. Mostly cloudy, with a low around 46. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
 
 Mostly sunny, with a high near 55. North wind 10 to 15 mph, with gusts as high as 25 mph.

 

Forecast from NOAA-NWS for Gretna LA.