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Cornish, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cornish, a town in Cache County, Utah.

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 for Cornish

WhenTempForecastWindPrecip
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) 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

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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.