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
47°F
Mostly Clear
Mostly clear. Low around 47, with temperatures rising to around 49 overnight. Northwest wind around 1 mph.
7-day forecast for Castle Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Clear | 1 mph NW | 2% |
| Saturday | 70°F | Sunny then Isolated Showers And Thunderstorms | 1 to 8 mph WNW | 11% |
| Saturday Night | 41°F | Mostly Clear | 3 to 8 mph NW | 2% |
| Sunday | 72°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 44°F | Partly Cloudy | 3 mph NNW | 0% |
| Monday | 73°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Monday Night | 48°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 6 mph N | 21% |
| Tuesday | 70°F | Showers And Thunderstorms Likely | 1 to 9 mph SW | 61% |
| Tuesday Night | 44°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 34% |
| Wednesday | 71°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 16% |
| Wednesday Night | 46°F | Mostly Clear | 3 mph WSW | 6% |
| Thursday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph ESE | 11% |
| Thursday Night | 48°F | Partly Cloudy | 3 mph WSW | 10% |
| Friday | 73°F | Chance Showers And Thunderstorms | 1 to 6 mph E | 26% |
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 Sep 19, 2026.