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
93°F
Sunny
Sunny. High near 93, with temperatures falling to around 91 in the afternoon. East wind around 5 mph.
7-day forecast for Zachary
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Sunny | 5 mph E | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph SE | 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% |
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 Sep 19, 2026.