Monticello, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a city in Wayne County, Kentucky.
This Afternoon
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Sunny. High near 92, with temperatures falling to around 88 in the afternoon. Heat index values as high as 97. North northwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Chance Showers And Thunderstorms | 7 mph NNW | 38% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph NE | 27% |
| Saturday | 92°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 0 to 3 mph NE | 18% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 to 3 mph SE | 19% |
| Sunday | 91°F | Mostly Sunny | 3 to 8 mph SW | 9% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 5 mph SSW | 10% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 27% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph ENE | 48% |
| Tuesday | 84°F | Showers And Thunderstorms Likely | 5 mph WNW | 63% |
| Tuesday Night | 62°F | Showers And Thunderstorms Likely | 1 to 5 mph NNE | 63% |
| Wednesday | 79°F | Chance Rain Showers | 1 to 5 mph N | 50% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 48% |
| Thursday | 76°F | Slight Chance Rain Showers then Partly Sunny | 1 to 6 mph N | 18% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 6 mph N | 13% |
Forecast source: National Weather Service (api.weather.gov) for Monticello (36.841, -84.851). Updated through the day.
Growing snapshot for Monticello
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
7a
More local growing data for Monticello: nearby ZIP 42633 weather · frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Monticello 3 Ne, Ky (4.6 mi from Monticello). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.