Delta, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delta, a city in Millard County, Utah.
This Afternoon
50°F
Sunny
Sunny, with a high near 50. South southeast wind around 2 mph.
7-day forecast for Delta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 2 mph SSE | 0% |
| Tonight | 36°F | Mostly Cloudy then Chance Rain And Snow | 5 mph SE | 25% |
| Wednesday | 47°F | Chance Rain And Snow | 6 mph WNW | 31% |
| Wednesday Night | 32°F | Partly Cloudy | 3 mph ESE | 2% |
| Thursday | 49°F | Partly Sunny | 3 mph NW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 3 mph NNE | 0% |
| Friday | 52°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 32°F | Mostly Clear | 5 mph NNE | 0% |
| Saturday | 54°F | Sunny | 2 mph NNE | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph ESE | 0% |
| Sunday | 59°F | Sunny | 2 mph S | 0% |
| Sunday Night | 38°F | Partly Cloudy | 2 mph ENE | 0% |
| Monday | 60°F | Mostly Sunny | 2 mph S | 1% |
| Monday Night | 40°F | Mostly Cloudy | 3 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Delta (39.363, -112.544). Updated through the day.
Growing snapshot for Delta
Last spring frost
May 16
First fall frost
Sep 29
Growing season
137 days
Hardiness zone
6a
More local growing data for Delta: nearby ZIP 84624 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Delta, Ut (3.1 mi from Delta). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.