West Valley City, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Valley City, a city in Salt Lake County, Utah.

Today

50°F

Chance Light Rain

A chance of rain after 8am. Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. West northwest wind 1 to 6 mph. Chance of precipitation is 40%.

7-day forecast for West Valley City

When	Temp	Forecast	Wind	Precip
Today	50°F	Chance Light Rain	1 to 6 mph WNW	44%
Tonight	37°F	Slight Chance Light Rain then Partly Cloudy	3 mph SSE	18%
Thursday	52°F	Partly Sunny	5 mph SSW	2%
Thursday Night	37°F	Patchy Fog	0 to 3 mph NE	15%
Friday	53°F	Patchy Fog then Mostly Sunny	0 to 7 mph NE	3%
Friday Night	36°F	Mostly Clear	1 to 5 mph E	0%
Saturday	55°F	Sunny	3 mph S	0%
Saturday Night	39°F	Mostly Clear	2 mph SE	0%
Sunday	61°F	Sunny	2 mph S	0%
Sunday Night	43°F	Partly Cloudy	2 mph SSE	0%
Monday	61°F	Mostly Sunny	2 mph SW	0%
Monday Night	43°F	Mostly Cloudy	2 mph SSE	0%
Tuesday	59°F	Mostly Sunny	2 mph SSW	3%
Tuesday Night	44°F	Partly Cloudy	2 mph ESE	3%

Forecast source: National Weather Service (api.weather.gov) for West Valley City (40.688, -112.012). Updated through the day.

Growing snapshot for West Valley City

Last spring frost

Apr 8

First fall frost

Oct 31

Growing season

204 days

Hardiness zone

More local growing data for West Valley City: nearby ZIP 84120 weather · frost dates · planting calendar · Utah frost dates

Nearby towns & communities

Alta Bluffdale Brighton Copperton metro township Cottonwood Heights Draper Emigration Canyon metro township Granite Herriman Holladay Kearns metro township Magna metro township Midvale Millcreek Murray Riverton Salt Lake City Sandy South Jordan South Salt Lake Taylorsville West Jordan White City metro township

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Climate data from the nearest NOAA station, Salt Lake City Intl Ap, Ut (5.9 mi from West Valley City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.