Castle Dale, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castle Dale, a city in Emery County, Utah.
Today
48°F
Chance Rain And Snow
A chance of rain and snow before 5pm. Partly sunny. High near 48, with temperatures falling to around 45 in the afternoon. West northwest wind 1 to 5 mph. Chance of precipitation is 40%.
7-day forecast for Castle Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Chance Rain And Snow | 1 to 5 mph WNW | 41% |
| Tonight | 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% |
| Tuesday Night | 37°F | Partly Cloudy | 1 mph NNW | 3% |
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.