Harman US

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.

Today
50°F
Light Rain Likely
Rain likely. Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. North wind 0 to 3 mph. Chance of precipitation is 60%.

7-day forecast for Cottonwood Heights

WhenTempForecastWindPrecip
Today 50°F Light Rain Likely 0 to 3 mph N 62%
Tonight 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%
Tuesday Night 44°F Partly Cloudy 0 mph 3%

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
7b

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

Nearby towns & communities

All Utah locations ›

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.