Koosharem, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Koosharem, a town in Piute County, Utah.
Tonight
32°F
Partly Cloudy then Chance Light Snow
A chance of snow after 5am. Partly cloudy, with a low around 32. Southeast wind 2 to 8 mph. Chance of precipitation is 40%.
7-day forecast for Koosharem
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Partly Cloudy then Chance Light Snow | 2 to 8 mph SE | 35% |
| Wednesday | 44°F | Chance Light Snow | 2 to 10 mph WNW | 35% |
| Wednesday Night | 28°F | Mostly Clear | 2 to 7 mph NNE | 9% |
| Thursday | 52°F | Mostly Sunny | 3 mph SSE | 1% |
| Thursday Night | 30°F | Partly Cloudy | 3 mph NNE | 1% |
| Friday | 50°F | Sunny | 2 to 8 mph N | 0% |
| Friday Night | 30°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Saturday | 56°F | Sunny | 3 mph ENE | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph ESE | 0% |
| Sunday | 61°F | Sunny | 0 to 3 mph S | 0% |
| Sunday Night | 37°F | Partly Cloudy | 2 mph SSE | 0% |
| Monday | 61°F | Mostly Sunny | 3 mph S | 6% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph SSE | 4% |
| Tuesday | 58°F | Mostly Sunny | 1 to 5 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Koosharem (38.513, -111.882). Updated through the day.
Growing snapshot for Koosharem
Last spring frost
Jun 6
First fall frost
Sep 21
Growing season
104 days
Hardiness zone
5b
More local growing data for Koosharem: nearby ZIP 84732 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Koosharem, Ut (4.5 mi from Koosharem). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.