Castle Dale, UT Weather & Growing Conditions
Tonight
48°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. North northwest wind 2 to 6 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 6 mph NNW | 72% |
| Saturday | 68°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 14% |
| Saturday Night | 43°F | Mostly Clear | 3 to 9 mph NW | 0% |
| Sunday | 71°F | Sunny | 5 mph S | 0% |
| Sunday Night | 46°F | Partly Cloudy | 3 mph NW | 0% |
| Monday | 73°F | Mostly Sunny | 1 to 7 mph SW | 1% |
| Monday Night | 49°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph W | 23% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 42% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms | 3 mph WNW | 42% |
| Wednesday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph N | 18% |
| Wednesday Night | 48°F | Mostly Clear | 3 mph NNW | 10% |
| Thursday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph ESE | 15% |
| Thursday Night | 49°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph WSW | 17% |
| Friday | 72°F | Chance Showers And Thunderstorms | 1 to 6 mph SSE | 25% |
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 Sep 19, 2026.