Santa Clara, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Santa Clara, a city in Washington County, Utah.
This Afternoon
61°F
Sunny
Sunny, with a high near 61. Southeast wind around 3 mph.
7-day forecast for Santa Clara
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Sunny | 3 mph SE | 0% |
| Tonight | 45°F | Mostly Clear | 0 to 3 mph E | 2% |
| Wednesday | 63°F | Sunny | 0 to 5 mph NW | 2% |
| Wednesday Night | 42°F | Mostly Clear | 5 mph NNE | 0% |
| Thursday | 63°F | Mostly Sunny | 2 mph NE | 0% |
| Thursday Night | 44°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Friday | 65°F | Sunny | 5 mph NNE | 0% |
| Friday Night | 44°F | Mostly Clear | 2 to 10 mph NNE | 0% |
| Saturday | 67°F | Sunny | 0 to 6 mph NE | 0% |
| Saturday Night | 46°F | Clear | 0 to 5 mph NE | 0% |
| Sunday | 69°F | Sunny | 0 to 3 mph ENE | 0% |
| Sunday Night | 49°F | Partly Cloudy | 2 mph NE | 0% |
| Monday | 69°F | Mostly Sunny | 2 mph E | 2% |
| Monday Night | 49°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Santa Clara (37.131, -113.657). Updated through the day.
Growing snapshot for Santa Clara
Last spring frost
Mar 14
First fall frost
Nov 10
Growing season
239 days
Hardiness zone
8b
More local growing data for Santa Clara: nearby ZIP 84770 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Apple Valley
Central
Dammeron Valley
Enterprise
Hildale
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Ivins
La Verkin
Leeds
New Harmony
Pine Valley
Rockville
Springdale
St. George
Toquerville
Veyo
Virgin
Washington
Climate data from the nearest NOAA station, St George, Ut (1.8 mi from Santa Clara). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.