Castle Dale, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castle Dale, a city in Emery County, Utah.
Tonight
47°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before midnight. Partly cloudy. Low around 47, with temperatures rising to around 49 overnight. North northwest wind around 3 mph. Chance of precipitation is 40%.
7-day forecast for Castle Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Scattered Showers And Thunderstorms then Partly Cloudy | 3 mph NNW | 38% |
| Saturday | 69°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph NW | 13% |
| Saturday Night | 42°F | Mostly Clear | 3 to 9 mph WNW | 0% |
| Sunday | 71°F | Sunny | 5 mph W | 0% |
| Sunday Night | 45°F | Partly Cloudy | 3 mph NW | 0% |
| Monday | 73°F | Mostly Sunny | 2 to 7 mph SW | 1% |
| Monday Night | 48°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph WSW | 23% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 2 to 8 mph NW | 43% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms | 1 to 5 mph WNW | 41% |
| Wednesday | 71°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph ENE | 18% |
| Wednesday Night | 47°F | Mostly Clear | 3 mph NNW | 9% |
| Thursday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph E | 15% |
| Thursday Night | 49°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 17% |
| Friday | 72°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 25% |
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.