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Rockville, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a town in Washington County, Utah.

Tonight
63°F
Mostly Clear
Mostly clear. Low around 63, with temperatures rising to around 65 overnight. East wind around 9 mph.

7-day forecast for Rockville

WhenTempForecastWindPrecip
Tonight 63°F Mostly Clear 9 mph E 5%
Saturday 85°F Sunny 5 to 9 mph N 1%
Saturday Night 59°F Clear 6 to 12 mph NE 0%
Sunday 86°F Sunny 1 to 13 mph SSE 0%
Sunday Night 63°F Partly Cloudy 3 to 13 mph NE 0%
Monday 87°F Mostly Sunny 3 to 14 mph ESE 5%
Monday Night 63°F Chance Showers And Thunderstorms 5 to 14 mph ESE 39%
Tuesday 83°F Chance Showers And Thunderstorms 5 to 13 mph SE 45%
Tuesday Night 61°F Slight Chance Showers And Thunderstorms then Mostly Clear 3 to 18 mph ENE 13%
Wednesday 86°F Sunny 2 to 17 mph ESE 9%
Wednesday Night 64°F Mostly Clear 2 to 23 mph SE 4%
Thursday 87°F Mostly Sunny 6 to 21 mph ESE 9%
Thursday Night 65°F Partly Cloudy 5 to 23 mph E 13%
Friday 86°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 21 mph SE 22%

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

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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 Sep 19, 2026.