Coalville, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalville, a city in Summit County, Utah.
Overnight
48°F
Patchy Smoke
Patchy smoke. Mostly clear. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 1 mph.
7-day forecast for Coalville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Smoke | 1 mph NW | 0% |
| Tuesday | 85°F | Patchy Smoke | 1 to 12 mph NW | 0% |
| Tuesday Night | 48°F | Patchy Smoke | 1 to 10 mph WSW | 0% |
| Wednesday | 86°F | Patchy Smoke | 3 to 10 mph WSW | 0% |
| Wednesday Night | 50°F | Patchy Smoke then Mostly Clear | 3 to 9 mph SW | 0% |
| Thursday | 91°F | Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 55°F | Mostly Clear | 2 to 9 mph S | 0% |
| Friday | 93°F | Sunny | 3 to 8 mph SSW | 0% |
| Friday Night | 59°F | Mostly Clear | 2 to 10 mph S | 0% |
| Saturday | 94°F | Sunny | 2 to 8 mph SSW | 0% |
| Saturday Night | 61°F | Mostly Clear | 3 to 9 mph SSW | 0% |
| Sunday | 92°F | Mostly Sunny | 3 to 10 mph SSW | 5% |
| Sunday Night | 59°F | Partly Cloudy | 5 to 8 mph S | 3% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 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
East Basin
Echo
Francis
Henefer
Hideout
Hoytsville
Kamas
Marion
Oakley
Park City
Peoa
Samak
Silver Summit
Snyderville
Summit Park
Wanship
Woodland
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 Aug 4, 2026.