Monticello, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a community in East Baton Rouge County, Louisiana.
This Afternoon
85°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly sunny. High near 85, with temperatures falling to around 77 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 for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Slight Chance Rain Showers | 10 mph S | 15% |
| Tonight | 67°F | Slight Chance Rain Showers | 0 to 5 mph SW | 22% |
| Wednesday | 80°F | Patchy Fog then Mostly Sunny | 5 mph NW | 16% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph N | 1% |
| Thursday | 82°F | Sunny | 0 to 5 mph NW | 10% |
| Thursday Night | 58°F | Chance Rain Showers | 0 mph | 26% |
| Friday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 16% |
| Friday Night | 53°F | Partly Cloudy | 5 mph N | 3% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Saturday Night | 48°F | Partly Cloudy | 5 mph N | 10% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 44°F | Mostly Clear | 5 mph N | 3% |
| Monday | 74°F | Sunny | 5 mph N | 3% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Monticello (30.488, -91.045). Updated through the day.
Growing snapshot for Monticello
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
276 days
Hardiness zone
9a
More local growing data for Monticello: nearby ZIP 70814 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Baker
Baton Rouge
Brownfields
Central
Denham Springs
Gardere
Inniswold
Merrydale
Oak Hills Place
Old Jefferson
Port Allen
Shenandoah
Village St. George
Westminster
Zachary
Climate data from the nearest NOAA station, Baton Rouge Ryan Ap, La (6.2 mi from Monticello). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.