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Coalville, UT Weather & Growing Conditions

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

This Afternoon
52°F
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 48 in the afternoon. Southeast wind around 5 mph.

7-day forecast for Coalville

WhenTempForecastWindPrecip
This Afternoon 52°F Mostly Sunny 5 mph SE 0%
Tonight 28°F Mostly Cloudy then Patchy Fog 0 to 7 mph SSW 15%
Wednesday 46°F Patchy Fog 0 to 3 mph NNW 51%
Wednesday Night 27°F Chance Light Rain then Patchy Fog 0 to 3 mph WNW 25%
Thursday 49°F Patchy Fog then Mostly Sunny 0 to 3 mph W 6%
Thursday Night 26°F Areas Of Fog 0 to 3 mph WNW 11%
Friday 50°F Areas Of Fog then Mostly Sunny 0 to 3 mph NW 1%
Friday Night 26°F Partly Cloudy 2 mph WNW 1%
Saturday 54°F Sunny 1 mph NNW 0%
Saturday Night 30°F Mostly Clear 0 to 3 mph SE 0%
Sunday 60°F Sunny 0 to 3 mph SW 0%
Sunday Night 34°F Partly Cloudy 0 to 3 mph S 0%
Monday 60°F Mostly Sunny 2 mph SW 1%
Monday Night 35°F Mostly Cloudy 2 mph SSW 4%

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

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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 Nov 4, 2026.