Zachary, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Zachary, a city in East Baton Rouge County, Louisiana.
Today
94°F
Sunny
Sunny. High near 94, with temperatures falling to around 92 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for Zachary
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 0 to 5 mph NW | 7% |
| Tonight | 75°F | Mostly Clear | 0 to 5 mph SW | 8% |
| Wednesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph S | 8% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 25% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 25% |
| Friday | 94°F | Sunny | 0 to 5 mph SE | 14% |
| Friday Night | 74°F | Mostly Clear | 0 to 5 mph SE | 14% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 19% |
| Saturday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 19% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 43% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 43% |
| Monday | 92°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 55% |
| Monday Night | 74°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph S | 55% |
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 Aug 4, 2026.