Koosharem, UT Weather & Growing Conditions
Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. South southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 5 mph SSE | 5% |
| Saturday | 63°F | Sunny | 3 to 12 mph WSW | 8% |
| Saturday Night | 42°F | Mostly Clear | 6 to 12 mph N | 0% |
| Sunday | 65°F | Sunny | 2 to 8 mph NNW | 0% |
| Sunday Night | 45°F | Partly Cloudy | 3 to 8 mph ENE | 0% |
| Monday | 67°F | Mostly Sunny | 3 to 7 mph S | 7% |
| Monday Night | 48°F | Chance Showers And Thunderstorms | 7 mph SSE | 37% |
| Tuesday | 62°F | Showers And Thunderstorms | 5 to 9 mph SSE | 76% |
| Tuesday Night | 45°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 35% |
| Wednesday | 64°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph S | 21% |
| Wednesday Night | 46°F | Mostly Clear | 5 mph ESE | 8% |
| Thursday | 66°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SE | 19% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 6 mph SSE | 19% |
| Friday | 65°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph S | 33% |
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 Sep 19, 2026.