Cornish, UT Weather & Growing Conditions
This Afternoon
52°F
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 49 in the afternoon. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Mostly Sunny | 3 mph NW | 0% |
| 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% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cornish, UT
Last spring frost
May 17
First fall frost
Sep 18
Growing season
121 days
Hardiness zone
6a
Explore more for Cornish, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Trenton, Ut (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.