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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

WhenTempForecastWindPrecip
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

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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.