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
90°F
Sunny
Sunny, with a high near 90. Southwest wind around 5 mph.
7-day forecast for Santa Clara
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Sunny | 5 mph SW | 7% |
| Tonight | 64°F | Mostly Clear | 0 to 5 mph NNW | 4% |
| Saturday | 90°F | Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 5 mph NW | 0% |
| Sunday | 91°F | Sunny | 2 mph E | 0% |
| Sunday Night | 65°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 91°F | Mostly Sunny | 2 mph E | 4% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 3 mph N | 32% |
| Tuesday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph E | 25% |
| Tuesday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph NE | 11% |
| Wednesday | 92°F | Sunny | 2 mph E | 7% |
| Wednesday Night | 65°F | Mostly Clear | 1 to 6 mph NE | 4% |
| Thursday | 93°F | Mostly Sunny | 5 mph E | 5% |
| Thursday Night | 67°F | Partly Cloudy | 2 to 9 mph E | 10% |
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 Sep 19, 2026.