Monticello, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a city in White County, Indiana.
Today
82°F
Sunny
Sunny, with a high near 82. South wind around 0 mph.
7-day forecast for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 0 mph | 0% |
| Tonight | 60°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 83°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Wednesday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 55% |
| Thursday | 80°F | Showers And Thunderstorms | 0 to 5 mph S | 76% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 57% |
| Friday | 81°F | Chance Showers And Thunderstorms | 0 mph | 25% |
| Friday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SW | 12% |
| Saturday Night | 67°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Sunday | 85°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
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 Aug 4, 2026.