Monroe, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monroe, a city in Sevier County, Utah.
This Afternoon
81°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. South southwest wind around 14 mph. Chance of precipitation is 30%.
7-day forecast for Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Scattered Showers And Thunderstorms | 14 mph SSW | 25% |
| Tonight | 51°F | Scattered Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 34% |
| Saturday | 76°F | Sunny | 0 to 13 mph W | 4% |
| Saturday Night | 48°F | Mostly Clear | 0 to 10 mph ENE | 0% |
| Sunday | 78°F | Sunny | 0 to 8 mph S | 0% |
| Sunday Night | 51°F | Partly Cloudy | 0 to 9 mph E | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 6 mph SSW | 6% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 1 to 6 mph SSE | 32% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 0 to 6 mph S | 71% |
| Tuesday Night | 50°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SSE | 28% |
| Wednesday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
| Wednesday Night | 51°F | Mostly Clear | 1 to 5 mph ENE | 5% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 13% |
| Thursday Night | 53°F | Mostly Cloudy | 5 mph S | 12% |
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 Sep 18, 2026.