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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.

Tonight
51°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms between midnight and 3am. Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. East northeast wind 2 to 6 mph. Chance of precipitation is 70%.

7-day forecast for Mona

WhenTempForecastWindPrecip
Tonight 51°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 2 to 6 mph ENE 66%
Saturday 69°F Sunny 5 mph NNW 9%
Saturday Night 48°F Mostly Clear 6 mph NE 0%
Sunday 72°F Sunny 3 mph NNE 0%
Sunday Night 51°F Partly Cloudy 2 to 6 mph ENE 0%
Monday 77°F Mostly Sunny 1 to 5 mph NNE 1%
Monday Night 56°F Partly Cloudy then Slight Chance Showers And Thunderstorms 6 mph E 19%
Tuesday 74°F Chance Showers And Thunderstorms 6 mph S 48%
Tuesday Night 52°F Chance Showers And Thunderstorms 6 mph SE 34%
Wednesday 76°F Sunny 6 mph WSW 9%
Wednesday Night 54°F Mostly Clear 6 mph E 1%
Thursday 79°F Mostly Sunny 2 to 6 mph S 3%
Thursday Night 56°F Partly Cloudy 3 to 7 mph SSE 6%
Friday 79°F Mostly Sunny then Slight Chance Showers And Thunderstorms 7 mph S 10%

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.