Millcreek, UT Weather & Growing Conditions

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

Overnight

40°F

Slight Chance Light Rain

A slight chance of rain after 5am. Mostly cloudy, with a low around 40. East wind around 1 mph. Chance of precipitation is 20%.

7-day forecast for Millcreek

When	Temp	Forecast	Wind	Precip
Overnight	40°F	Slight Chance Light Rain	1 mph E	17%
Wednesday	50°F	Light Rain Likely	0 to 3 mph NNW	57%
Wednesday Night	37°F	Chance Light Rain then Partly Cloudy	2 mph ENE	26%
Thursday	52°F	Partly Sunny	0 to 3 mph NNW	2%
Thursday Night	37°F	Slight Chance Light Rain	2 mph NNW	15%
Friday	53°F	Mostly Sunny	0 to 5 mph NW	3%
Friday Night	37°F	Mostly Clear	2 mph NNE	0%
Saturday	57°F	Sunny	2 mph NNW	0%
Saturday Night	41°F	Mostly Clear	1 mph NE	0%
Sunday	63°F	Sunny	2 mph NNW	0%
Sunday Night	45°F	Partly Cloudy	2 mph NE	0%
Monday	64°F	Mostly Sunny	1 mph SW	0%
Monday Night	45°F	Mostly Cloudy	0 mph	0%
Tuesday	61°F	Mostly Sunny	1 mph NNW	2%

Forecast source: National Weather Service (api.weather.gov) for Millcreek (40.689, -111.830). Updated through the day.

Growing snapshot for Millcreek

Last spring frost

Apr 29

First fall frost

Oct 22

Growing season

174 days

Hardiness zone

More local growing data for Millcreek: nearby ZIP 84117 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 Murray Riverton Salt Lake City Sandy South Jordan South Salt Lake Taylorsville West Jordan West Valley City White City metro township

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Climate data from the nearest NOAA station, Cottonwood Weir, Ut (4 mi from Millcreek). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.