Harman US

Coalville, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coalville, a city in Summit County, Utah.

Today
64°F
Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms
Scattered showers and thunderstorms before noon, then isolated showers and thunderstorms. Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. West wind 3 to 9 mph. Chance of precipitation is 30%.

7-day forecast for Coalville

WhenTempForecastWindPrecip
Today 64°F Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms 3 to 9 mph W 30%
Tonight 35°F Partly Cloudy 1 to 8 mph W 4%
Sunday 67°F Sunny 0 to 7 mph NW 0%
Sunday Night 35°F Mostly Clear 1 to 6 mph SE 0%
Monday 73°F Sunny 1 to 5 mph SW 0%
Monday Night 41°F Partly Cloudy 3 mph E 7%
Tuesday 71°F Partly Sunny then Chance Showers And Thunderstorms 3 mph SSE 54%
Tuesday Night 39°F Chance Showers And Thunderstorms 1 to 5 mph SSE 43%
Wednesday 73°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 mph SW 16%
Wednesday Night 39°F Mostly Clear 3 mph S 2%
Thursday 76°F Sunny 3 mph SSW 3%
Thursday Night 42°F Partly Cloudy 6 mph SSE 1%
Friday 76°F Mostly Sunny 6 mph S 8%
Friday Night 44°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SSE 15%

Forecast source: National Weather Service (api.weather.gov) for Coalville (40.907, -111.421). Updated through the day.

Growing snapshot for Coalville

Last spring frost
May 30
First fall frost
Sep 18
Growing season
112 days
Hardiness zone
6a

More local growing data for Coalville: nearby ZIP 84033 weather · frost dates · planting calendar · Utah frost dates

Nearby towns & communities

All Utah locations ›

Climate data from the nearest NOAA station, Echo Dam, Ut (3.2 mi from Coalville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.