Monticello, MO Weather & Growing Conditions
Today
55°F
Slight Chance Drizzle
A slight chance of drizzle before 1pm. Mostly cloudy, with a high near 55. West wind 9 to 14 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Slight Chance Drizzle | 9 to 14 mph W | 1% |
| Tonight | 45°F | Mostly Cloudy | 8 mph SW | 3% |
| Thursday | 54°F | Scattered Rain Showers | 7 to 10 mph W | 29% |
| Thursday Night | 41°F | Isolated Rain Showers then Cloudy | 7 mph N | 17% |
| Friday | 52°F | Mostly Sunny | 6 to 9 mph N | 2% |
| Friday Night | 33°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 60°F | Sunny | 6 mph W | 1% |
| Sunday Night | 36°F | Clear | 2 mph W | 0% |
| Monday | 65°F | Sunny | 2 to 7 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph W | 0% |
| Tuesday | 66°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 2 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monticello, MO
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
194 days
Hardiness zone
6a
Explore more for Monticello, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Canton L&D 20, Mo (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.