National Weather Service Forecast for: 3 Miles NNW Gretna LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 5:27 am CDT Oct 18, 2025
 
Today

Today: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 Tonight

Tonight: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
Likely
 Sunday

Sunday: A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Northwest wind 5 to 15 mph.
Chance
Showers then
Sunny
 Sunday
Night
Sunday Night: Clear, with a low around 60. North wind around 10 mph.
Clear

 Monday

Monday: Sunny, with a high near 78. East wind 5 to 10 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 64. Northwest wind around 5 mph becoming northeast after midnight.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Sunny
Hi 84 °F Lo 72 °F Hi 82 °F Lo 60 °F Hi 78 °F Lo 63 °F Hi 83 °F Lo 64 °F Hi 78 °F

 

Today
 
 A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Tonight
 
 A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Northwest wind 5 to 15 mph.
Sunday Night
 
 Clear, with a low around 60. North wind around 10 mph.
Monday
 
 Sunny, with a high near 78. East wind 5 to 10 mph.
Monday Night
 
 Mostly clear, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 64. Northwest wind around 5 mph becoming northeast after midnight.
Wednesday
 
 Sunny, with a high near 78. Northeast wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 62. Northeast wind around 5 mph.
Thursday
 
 Sunny, with a high near 79. East wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 64. East wind around 5 mph.
Friday
 
 Sunny, with a high near 82. East wind 5 to 10 mph.

 

Forecast from NOAA-NWS for 3 Miles NNW Gretna LA.