Monroe, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monroe, a city in Sevier County, Utah.
Tonight
35°F
Partly Cloudy then Chance Rain And Snow
A chance of rain and snow after 5am. Partly cloudy, with a low around 35. East wind 1 to 9 mph. Chance of precipitation is 40%.
7-day forecast for Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Partly Cloudy then Chance Rain And Snow | 1 to 9 mph E | 43% |
| Wednesday | 47°F | Chance Rain And Snow | 1 to 7 mph NW | 43% |
| Wednesday Night | 30°F | Patchy Fog | 0 to 5 mph ENE | 9% |
| Thursday | 55°F | Patchy Fog then Mostly Sunny | 0 to 5 mph N | 1% |
| Thursday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Friday | 53°F | Sunny | 0 to 8 mph NNE | 0% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Saturday | 59°F | Sunny | 0 to 3 mph NE | 0% |
| Saturday Night | 36°F | Mostly Clear | 3 mph ESE | 0% |
| Sunday | 66°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 40°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Monday | 66°F | Mostly Sunny | 2 mph SSW | 4% |
| Monday Night | 40°F | Partly Cloudy | 2 mph SSW | 4% |
| Tuesday | 63°F | Mostly Sunny | 0 to 3 mph SW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Monroe (38.623, -112.120). Updated through the day.
Growing snapshot for Monroe
Last spring frost
May 21
First fall frost
Sep 24
Growing season
125 days
Hardiness zone
6a
More local growing data for Monroe: nearby ZIP 84754 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Richfield Radio Ksvc, Ut (10.6 mi from Monroe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.