Jefferson, LA Weather & Growing Conditions
Today
80°F
Chance Rain Showers
Patchy fog before 9am, then a chance of rain showers between 9am and 2pm. Mostly sunny. High near 80, with temperatures falling to around 77 in the afternoon. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Chance Rain Showers | 5 mph W | 30% |
| Tonight | 63°F | Partly Cloudy then Patchy Fog | 0 to 5 mph N | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 65°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Friday | 78°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Friday Night | 60°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 73°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 10 mph N | 1% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Monday | 69°F | Sunny | 5 to 10 mph N | 7% |
| Monday Night | 53°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 71°F | Sunny | 0 to 5 mph NE | 6% |
| Tuesday Night | 54°F | Partly Cloudy | 0 mph | 4% |
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 Nov 4, 2026.