National Weather Service Forecast for: Gretna LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 9:51 pm CST Feb 1, 2026
 
Tonight

Tonight: Widespread frost after midnight. Otherwise, clear, with a low around 32. Calm wind.
Clear then
Frost

 Monday

Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Frost then
Sunny

 Monday
Night
Monday Night: Increasing clouds, with a low around 45. South wind around 5 mph.
Increasing
Clouds

 Tuesday

Tuesday: Mostly sunny, with a high near 69. South wind 5 to 10 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 Wednesday

Wednesday: A 50 percent chance of showers before noon. Partly sunny, with a high near 61. North wind 5 to 10 mph, with gusts as high as 20 mph.
Chance
Showers then
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 38. North wind around 10 mph, with gusts as high as 25 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 54. North wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Mostly Clear
Lo 32 °F Hi 60 °F Lo 45 °F Hi 69 °F Lo 52 °F Hi 61 °F Lo 38 °F Hi 54 °F Lo 39 °F

Freeze Warning
 

Tonight
 
 Widespread frost after midnight. Otherwise, clear, with a low around 32. Calm wind.
Monday
 
 Widespread frost before 8am. Otherwise, sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
 Increasing clouds, with a low around 45. South wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 69. South wind 5 to 10 mph.
Tuesday Night
 
 Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%.
Wednesday
 
 A 50 percent chance of showers before noon. Partly sunny, with a high near 61. North wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 38. North wind around 10 mph, with gusts as high as 25 mph.
Thursday
 
 Sunny, with a high near 54. North wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
 
 Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 66. West wind 5 to 10 mph.
Friday Night
 
 Mostly clear, with a low around 45. West wind around 5 mph.
Saturday
 
 Sunny, with a high near 64. North wind around 5 mph becoming east in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph.
Sunday
 
 Sunny, with a high near 68. Calm wind becoming east around 5 mph in the morning.

 

Forecast from NOAA-NWS for Gretna LA.