Zachary, LA Weather & Growing Conditions
Overnight
70°F
Clear
Clear, with a low around 70. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Clear | 0 mph | 0% |
| Saturday | 95°F | Sunny | 0 to 5 mph NE | 1% |
| Saturday Night | 72°F | Clear | 0 to 5 mph SW | 1% |
| Sunday | 95°F | Sunny | 0 mph | 2% |
| Sunday Night | 73°F | Mostly Clear | 0 mph | 2% |
| Monday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 23% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Tuesday | 96°F | Sunny | 0 to 5 mph N | 14% |
| Tuesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 14% |
| Wednesday | 94°F | Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 71°F | Mostly Clear | 5 to 10 mph NE | 7% |
| Thursday | 92°F | Sunny | 10 mph NE | 4% |
| Thursday Night | 70°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Friday | 90°F | Sunny | 10 mph NE | 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 Sep 19, 2026.