Zachary, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Zachary, a city in East Baton Rouge County, Louisiana.
This Afternoon
84°F
Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny. High near 84, with temperatures falling to around 76 in the afternoon. South wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Zachary
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Rain Showers | 10 to 15 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) for Zachary (30.664, -91.166). Updated through the day.
Growing snapshot for Zachary
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
276 days
Hardiness zone
9a
More local growing data for Zachary: nearby ZIP 70791 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Baker
Baton Rouge
Brownfields
Central
Denham Springs
Gardere
Inniswold
Merrydale
Monticello
Oak Hills Place
Old Jefferson
Port Allen
Shenandoah
Village St. George
Westminster
Climate data from the nearest NOAA station, Baton Rouge Ryan Ap, La (7.8 mi from Zachary). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.