Castle Dale, UT Weather & Growing Conditions
Tonight
35°F
Partly Cloudy
Partly cloudy. Low around 35, with temperatures rising to around 37 overnight. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Partly Cloudy | 3 mph N | 11% |
| Wednesday | 47°F | Chance Rain And Snow | 1 to 5 mph N | 33% |
| Wednesday Night | 31°F | Mostly Clear | 2 to 6 mph NW | 10% |
| Thursday | 50°F | Mostly Sunny | 1 to 5 mph ESE | 0% |
| Thursday Night | 32°F | Partly Cloudy | 2 mph NW | 0% |
| Friday | 53°F | Sunny | 3 mph ESE | 0% |
| Friday Night | 33°F | Mostly Clear | 1 to 6 mph WNW | 0% |
| Saturday | 54°F | Sunny | 2 mph N | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Sunday | 53°F | Sunny | 0 to 3 mph SSE | 0% |
| Sunday Night | 36°F | Mostly Clear | 1 mph WNW | 0% |
| Monday | 53°F | Mostly Sunny | 2 mph SE | 1% |
| Monday Night | 37°F | Partly Cloudy | 1 mph NW | 0% |
| Tuesday | 55°F | Mostly Sunny | 1 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Castle Dale, UT
Last spring frost
May 18
First fall frost
Sep 27
Growing season
128 days
Hardiness zone
6a
Explore more for Castle Dale, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Castle Dale, Ut (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.