Koosharem, UT Weather & Growing Conditions
Today
85°F
Smoke
Smoke. Sunny. High near 85, with temperatures falling to around 83 in the afternoon. West wind 7 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Smoke | 7 to 15 mph W | 0% |
| Tonight | 58°F | Smoke | 5 to 14 mph NE | 0% |
| Wednesday | 85°F | Smoke | 6 to 14 mph W | 0% |
| Wednesday Night | 59°F | Smoke then Mostly Clear | 6 to 14 mph NW | 0% |
| Thursday | 85°F | Sunny | 2 to 10 mph WSW | 2% |
| Thursday Night | 60°F | Mostly Clear | 6 to 10 mph W | 0% |
| Friday | 86°F | Sunny | 3 to 9 mph W | 5% |
| Friday Night | 61°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph WSW | 17% |
| Saturday Night | 62°F | Partly Cloudy | 5 to 8 mph SW | 3% |
| Sunday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 43% |
| Sunday Night | 60°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph SSW | 15% |
| Monday | 81°F | Partly Sunny then Showers And Thunderstorms Likely | 7 mph WSW | 58% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 mph SSW | 21% |
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
6a
Explore more for Koosharem, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Koosharem, Ut (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.