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
Isolated rain showers before 9am, then scattered showers and thunderstorms between 9am and noon, then isolated showers and thunderstorms. Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. West northwest wind 0 to 9 mph. Chance of precipitation is 30%.
7-day forecast for Coalville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 0 to 9 mph WNW | 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
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 Sep 19, 2026.