Rockville, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a town in Washington County, Utah.
Tonight
43°F
Mostly Clear
Mostly clear, with a low around 43. East wind 6 to 10 mph.
7-day forecast for Rockville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Clear | 6 to 10 mph E | 2% |
| Wednesday | 61°F | Sunny | 3 to 7 mph NNE | 2% |
| Wednesday Night | 40°F | Mostly Clear | 6 to 9 mph NE | 1% |
| Thursday | 64°F | Partly Sunny | 1 to 9 mph E | 0% |
| Thursday Night | 41°F | Partly Cloudy | 1 to 9 mph NNE | 0% |
| Friday | 65°F | Sunny | 1 to 9 mph N | 0% |
| Friday Night | 41°F | Mostly Clear | 3 to 12 mph NNE | 0% |
| Saturday | 68°F | Sunny | 0 to 10 mph ENE | 0% |
| Saturday Night | 45°F | Clear | 0 to 16 mph ENE | 0% |
| Sunday | 69°F | Sunny | 1 to 16 mph ESE | 0% |
| Sunday Night | 46°F | Mostly Clear | 1 to 14 mph E | 0% |
| Monday | 69°F | Mostly Sunny | 0 to 13 mph ESE | 0% |
| Monday Night | 46°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 68°F | Mostly Sunny | 0 to 9 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rockville (37.148, -113.055). Updated through the day.
Growing snapshot for Rockville
Last spring frost
Apr 13
First fall frost
Nov 2
Growing season
202 days
Hardiness zone
8a
More local growing data for Rockville: nearby ZIP 84763 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
Santa Clara
Springdale
St. George
Toquerville
Veyo
Virgin
Washington
Climate data from the nearest NOAA station, Zion Np, Ut (6.5 mi from Rockville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.