Castle Dale, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castle Dale, a city in Emery County, Utah.
Overnight
34°F
Slight Chance Rain And Snow
A slight chance of rain and snow after 5am. Mostly cloudy, with a low around 34. North northeast wind around 1 mph. Chance of precipitation is 20%.
7-day forecast for Castle Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 34°F | Slight Chance Rain And Snow | 1 mph NNE | 15% |
| Wednesday | 48°F | Chance Rain And Snow | 1 to 5 mph WNW | 41% |
| Wednesday Night | 32°F | Mostly Clear | 5 mph WNW | 7% |
| Thursday | 51°F | Partly Sunny | 3 mph SSE | 0% |
| Thursday Night | 32°F | Partly Cloudy | 2 mph SW | 0% |
| Friday | 53°F | Sunny | 5 mph WNW | 0% |
| Friday Night | 31°F | Mostly Clear | 2 to 7 mph WNW | 0% |
| Saturday | 54°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 35°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 54°F | Sunny | 0 to 3 mph SE | 0% |
| Sunday Night | 36°F | Mostly Clear | 1 mph W | 0% |
| Monday | 54°F | Mostly Sunny | 2 mph SE | 0% |
| Monday Night | 36°F | Partly Cloudy | 1 mph WNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 1 mph ESE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Castle Dale (39.222, -111.023). Updated through the day.
Growing snapshot for Castle Dale
Last spring frost
May 18
First fall frost
Sep 27
Growing season
128 days
Hardiness zone
6a
More local growing data for Castle Dale: nearby ZIP 84513 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Castle Dale, Ut (3.5 mi from Castle Dale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.