Zachary, LA Weather & Growing Conditions
This Afternoon
84°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny. High near 84, with temperatures falling to around 76 in the afternoon. South wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Rain Showers | 10 mph S | 23% |
| Tonight | 65°F | Chance Rain Showers | 5 mph SW | 36% |
| Wednesday | 80°F | Patchy Fog then Mostly Sunny | 5 mph NW | 14% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph N | 1% |
| Thursday | 81°F | Sunny | 0 to 5 mph NW | 10% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 0 mph | 24% |
| Friday | 80°F | Mostly Sunny | 0 to 10 mph N | 10% |
| Friday Night | 51°F | Mostly Clear | 5 mph N | 2% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Saturday Night | 45°F | Partly Cloudy | 5 to 10 mph N | 10% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Sunday Night | 42°F | Mostly Clear | 5 mph N | 3% |
| Monday | 74°F | Sunny | 5 mph N | 3% |
| Monday Night | 42°F | Mostly Clear | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Zachary, LA
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
276 days
Hardiness zone
9a
Explore more for Zachary, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Baton Rouge Ryan Ap, La (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.