Cornish, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornish, a town in Cache County, Utah.
Tonight
33°F
Mostly Cloudy
Mostly cloudy. Low around 33, with temperatures rising to around 36 overnight. North northeast wind around 3 mph.
7-day forecast for Cornish
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Cloudy | 3 mph NNE | 3% |
| Wednesday | 54°F | Partly Sunny | 3 mph NNW | 8% |
| Wednesday Night | 30°F | Areas Of Fog | 2 mph NE | 5% |
| Thursday | 52°F | Areas Of Fog then Slight Chance Light Rain | 0 to 3 mph SSW | 18% |
| Thursday Night | 30°F | Slight Chance Light Rain then Patchy Fog | 2 mph N | 18% |
| Friday | 53°F | Patchy Fog then Mostly Sunny | 2 mph NNW | 1% |
| Friday Night | 30°F | Partly Cloudy | 2 mph ESE | 1% |
| Saturday | 56°F | Sunny | 2 mph SW | 0% |
| Saturday Night | 32°F | Mostly Clear | 1 mph ESE | 0% |
| Sunday | 59°F | Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 35°F | Partly Cloudy | 2 mph ESE | 0% |
| Monday | 61°F | Mostly Sunny | 2 mph E | 1% |
| Monday Night | 36°F | Partly Cloudy | 1 mph ESE | 4% |
| Tuesday | 60°F | Mostly Sunny | 2 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Cornish (41.967, -111.959). Updated through the day.
Growing snapshot for Cornish
Last spring frost
May 17
First fall frost
Sep 18
Growing season
121 days
Hardiness zone
6a
More local growing data for Cornish: nearby ZIP 84308 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Amalga
Avon
Benson
Cache
Clarkston
Hyde Park
Hyrum
Lewiston
Logan
Mendon
Millville
Newton
Nibley
North Logan
Paradise
Peter
Providence
Richmond
River Heights
Smithfield
Trenton
Wellsville
Climate data from the nearest NOAA station, Trenton, Ut (4.5 mi from Cornish). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.