Jefferson, LA Weather & Growing Conditions
Overnight
75°F
Clear
Clear. Low around 75, with temperatures rising to around 77 overnight. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Clear | 0 mph | 0% |
| Saturday | 93°F | Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 76°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 93°F | Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 77°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph N | 19% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 19% |
| Tuesday | 93°F | Sunny | 0 to 5 mph N | 11% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 11% |
| Wednesday | 92°F | Sunny | 0 to 10 mph NE | 8% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Thursday | 90°F | Sunny | 10 mph NE | 6% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph NE | 6% |
| Friday | 89°F | Sunny | 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, LA
Last spring frost
Jan 24
First fall frost
Jan 2
Growing season
341 days
Hardiness zone
9b
Explore more for Jefferson, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, New Orleans Audubon, La (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.