Santa Clara, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Santa Clara, a city in Washington County, Utah.
Today
109°F
Sunny
Sunny, with a high near 109. West southwest wind 0 to 9 mph.
7-day forecast for Santa Clara
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 109°F | Sunny | 0 to 9 mph WSW | 0% |
| Tonight | 76°F | Mostly Clear | 2 to 9 mph NW | 0% |
| Wednesday | 108°F | Sunny | 1 to 8 mph W | 0% |
| Wednesday Night | 78°F | Mostly Clear | 2 to 8 mph WNW | 0% |
| Thursday | 108°F | Sunny | 0 to 5 mph SSW | 1% |
| Thursday Night | 79°F | Mostly Clear | 1 to 6 mph SE | 2% |
| Friday | 111°F | Sunny | 0 to 3 mph WNW | 0% |
| Friday Night | 80°F | Mostly Clear | 5 mph ESE | 1% |
| Saturday | 110°F | Sunny | 0 to 6 mph NW | 0% |
| Saturday Night | 80°F | Mostly Clear | 1 to 6 mph SE | 4% |
| Sunday | 108°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 7 mph WSW | 15% |
| Sunday Night | 79°F | Partly Cloudy | 1 to 9 mph SSE | 5% |
| Monday | 103°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph SW | 15% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 9 mph SE | 11% |
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
Hurricane
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 Aug 4, 2026.