Monticello, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a city in White County, Indiana.
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Partly sunny, with a high near 75. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 5 mph E | 18% |
| Tonight | 61°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 23% |
| Saturday | 81°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 66% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 66% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 65% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 39% |
| Tuesday | 67°F | Chance Rain Showers | 10 mph NE | 30% |
| Tuesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 20% |
| Wednesday | 67°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Thursday | 70°F | Partly Sunny | 5 mph N | 4% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph N | 4% |
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 Sep 18, 2026.