Monticello, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a city in White County, Indiana.
This Afternoon
67°F
Partly Sunny
Partly sunny. High near 67, with temperatures falling to around 60 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Partly Sunny | 15 mph SW | 4% |
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph SW | 9% |
| Thursday | 59°F | Mostly Cloudy | 10 to 15 mph SW | 8% |
| Thursday Night | 42°F | Rain Showers Likely | 5 to 10 mph NW | 58% |
| Friday | 52°F | Slight Chance Rain Showers | 5 to 15 mph NW | 18% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph NW | 11% |
| Saturday | 52°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Sunday | 58°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 38°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Monticello (40.745, -86.767). Updated through the day.
Growing snapshot for Monticello
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
More local growing data for Monticello: nearby ZIP 47960 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Delphi 2 N, In (12.8 mi from Monticello). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.