Monticello, UT Weather & Growing Conditions
Today
92°F
Patchy Smoke
Patchy smoke before 4pm. Sunny, with a high near 92. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Patchy Smoke | 5 to 10 mph WSW | 1% |
| Tonight | 63°F | Patchy Smoke | 5 to 15 mph WNW | 0% |
| Wednesday | 91°F | Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Thursday | 91°F | Sunny | 5 to 15 mph NNW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Friday | 92°F | Sunny | 0 to 10 mph WNW | 0% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Saturday | 92°F | Sunny | 5 to 10 mph SW | 1% |
| Saturday Night | 63°F | Mostly Clear | 5 to 10 mph W | 0% |
| Sunday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph WSW | 15% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 19% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SW | 22% |
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 Aug 4, 2026.