Mona, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mona, a city in Juab County, Utah.
Today
70°F
Isolated Rain Showers then Isolated Showers And Thunderstorms
Isolated rain showers between 9am and noon, then isolated showers and thunderstorms. Mostly sunny, with a high near 70. North wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Mona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Isolated Rain Showers then Isolated Showers And Thunderstorms | 3 mph N | 19% |
| Tonight | 47°F | Mostly Clear | 3 to 7 mph NNE | 3% |
| Sunday | 72°F | Sunny | 3 mph N | 0% |
| Sunday Night | 48°F | Partly Cloudy | 6 mph NE | 0% |
| Monday | 77°F | Mostly Sunny | 1 to 5 mph NNE | 0% |
| Monday Night | 53°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph ENE | 14% |
| Tuesday | 74°F | Showers And Thunderstorms Likely | 1 to 6 mph SSE | 57% |
| Tuesday Night | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SE | 25% |
| Wednesday | 77°F | Sunny | 6 mph S | 8% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph SE | 3% |
| Thursday | 80°F | Sunny | 6 mph S | 1% |
| Thursday Night | 54°F | Partly Cloudy | 3 to 7 mph SSE | 2% |
| Friday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 12% |
| Friday Night | 55°F | Partly Cloudy | 5 to 9 mph SSE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Mona (39.812, -111.842). Updated through the day.
Growing snapshot for Mona
Last spring frost
May 4
First fall frost
Oct 11
Growing season
157 days
Hardiness zone
6b
More local growing data for Mona: nearby ZIP 84645 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Santaquin Chlorinator, Ut (7.5 mi from Mona). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.