Millcreek, UT Weather & Growing Conditions

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

Today

50°F

Light Rain Likely

Rain likely. Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. Northwest wind 0 to 3 mph. Chance of precipitation is 60%.

7-day forecast for Millcreek

When	Temp	Forecast	Wind	Precip
Today	50°F	Light Rain Likely	0 to 3 mph NW	57%
Tonight	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%
Tuesday Night	45°F	Partly Cloudy	0 mph	3%

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.