Monticello, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a city in San Juan County, Utah.
Overnight
36°F
Partly Cloudy
Partly cloudy, with a low around 36. South wind around 10 mph.
7-day forecast for Monticello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Partly Cloudy | 10 mph S | 3% |
| Wednesday | 45°F | Slight Chance Rain And Snow Showers then Chance Showers And Thunderstorms | 10 to 15 mph WSW | 41% |
| Wednesday Night | 32°F | Mostly Clear | 5 to 10 mph NNW | 12% |
| Thursday | 48°F | Mostly Sunny | 5 mph S | 0% |
| Thursday Night | 34°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Friday | 48°F | Sunny | 5 to 10 mph NNW | 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 NNE | 0% |
| Sunday | 52°F | Sunny | 0 to 5 mph SSE | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 0% |
| Monday | 53°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 52°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Monticello (37.869, -109.336). Updated through the day.
Growing snapshot for Monticello
Last spring frost
May 19
First fall frost
Oct 2
Growing season
133 days
Hardiness zone
6b
More local growing data for Monticello: nearby ZIP 84535 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Aneth
Blanding
Bluff
Halchita
Halls Crossing
La Sal
Mexican Hat
Montezuma Creek
Oljato-Monument Valley
Tselakai Dezza
White Mesa
Climate data from the nearest NOAA station, Monticello 2E, Ut (1.7 mi from Monticello). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.