Monticello, UT Weather & Growing Conditions
Overnight
36°F
Partly Cloudy
Partly cloudy, with a low around 36. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Partly Cloudy | 5 mph SSW | 3% |
| Wednesday | 45°F | Slight Chance Rain And Snow Showers then Chance Showers And Thunderstorms | 10 to 15 mph WSW | 40% |
| Wednesday Night | 32°F | Mostly Clear | 10 mph NNW | 11% |
| Thursday | 48°F | Mostly Sunny | 5 to 10 mph SSE | 0% |
| Thursday Night | 34°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Friday | 48°F | Sunny | 5 to 10 mph N | 2% |
| Friday Night | 33°F | Mostly Clear | 10 mph NNW | 0% |
| Saturday | 50°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 52°F | Sunny | 0 to 5 mph SE | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 0% |
| Monday | 53°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 52°F | Partly Sunny | 0 to 5 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monticello, UT
Last spring frost
May 19
First fall frost
Oct 2
Growing season
133 days
Hardiness zone
6b
Explore more for Monticello, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Monticello 2E, Ut (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.