Vernal, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vernal, a city in Uintah County, Utah.
Overnight
34°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 34. Northwest wind around 0 mph.
7-day forecast for Vernal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 34°F | Patchy Fog | 0 mph | 1% |
| Wednesday | 52°F | Patchy Fog then Mostly Cloudy | 0 to 5 mph SE | 12% |
| Wednesday Night | 32°F | Partly Cloudy | 5 mph NW | 9% |
| Thursday | 51°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SE | 0% |
| Thursday Night | 33°F | Mostly Cloudy | 0 to 5 mph NNW | 2% |
| Friday | 53°F | Mostly Sunny | 0 mph | 2% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Saturday | 53°F | Sunny | 0 mph | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 mph | 0% |
| Sunday | 54°F | Sunny | 0 mph | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 0% |
| Monday | 53°F | Mostly Sunny | 0 mph | 0% |
| Monday Night | 35°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 54°F | Mostly Sunny | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Vernal (40.452, -109.538). Updated through the day.
Growing snapshot for Vernal
Last spring frost
May 6
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
5b
More local growing data for Vernal: nearby ZIP 84078 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vernal Municipal Ap, Ut (1.6 mi from Vernal). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.