Cottonwood Heights, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cottonwood Heights, 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. Wind around 0 mph. Chance of precipitation is 20%.

7-day forecast for Cottonwood Heights

When	Temp	Forecast	Wind	Precip
Overnight	40°F	Slight Chance Light Rain	0 mph	19%
Wednesday	50°F	Light Rain Likely	0 to 3 mph N	62%
Wednesday Night	36°F	Chance Light Rain then Partly Cloudy	2 mph NNE	31%
Thursday	53°F	Partly Sunny	2 mph NW	2%
Thursday Night	36°F	Patchy Fog	2 mph NNW	13%
Friday	54°F	Patchy Fog then Mostly Sunny	0 to 3 mph NNW	3%
Friday Night	36°F	Mostly Clear	2 mph N	0%
Saturday	58°F	Sunny	2 mph NNW	0%
Saturday Night	41°F	Mostly Clear	1 mph ENE	0%
Sunday	64°F	Sunny	2 mph SSE	0%
Sunday Night	44°F	Partly Cloudy	0 to 3 mph SW	0%
Monday	65°F	Mostly Sunny	1 mph S	0%
Monday Night	44°F	Mostly Cloudy	1 mph NE	0%
Tuesday	63°F	Mostly Sunny	1 mph NW	2%

Forecast source: National Weather Service (api.weather.gov) for Cottonwood Heights (40.614, -111.815). Updated through the day.

Growing snapshot for Cottonwood Heights

Last spring frost

Apr 29

First fall frost

Oct 22

Growing season

174 days

Hardiness zone

More local growing data for Cottonwood Heights: nearby ZIP 84093 weather · frost dates · planting calendar · Utah frost dates

Nearby towns & communities

Alta Bluffdale Brighton Copperton metro township 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 West Valley City White City metro township

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Climate data from the nearest NOAA station, Cottonwood Weir, Ut (2.9 mi from Cottonwood Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.