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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

WhenTempForecastWindPrecip
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

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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.