Harman US

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

WhenTempForecastWindPrecip
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

All Utah locations ›

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.