Koosharem, UT Weather & Growing Conditions
This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 50 in the afternoon. South southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 7 mph SSE | 0% |
| Tonight | 32°F | Partly Cloudy then Chance Rain And Snow | 2 to 8 mph ESE | 29% |
| Wednesday | 45°F | Chance Rain And Snow | 2 to 10 mph WNW | 29% |
| Wednesday Night | 27°F | Patchy Fog | 1 to 8 mph NNE | 5% |
| Thursday | 52°F | Patchy Fog then Mostly Sunny | 1 to 5 mph SE | 0% |
| Thursday Night | 30°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Friday | 51°F | Sunny | 2 to 9 mph N | 0% |
| Friday Night | 30°F | Mostly Clear | 2 to 7 mph NNE | 0% |
| Saturday | 57°F | Sunny | 3 mph ENE | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph ESE | 0% |
| Sunday | 62°F | Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 37°F | Partly Cloudy | 2 mph SSE | 0% |
| Monday | 61°F | Mostly Sunny | 5 mph S | 6% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph SSE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Koosharem, UT
Last spring frost
Jun 6
First fall frost
Sep 21
Growing season
104 days
Hardiness zone
5b
Explore more for Koosharem, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Koosharem, Ut (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.