Charleston, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Charleston, a town in Wasatch County, Utah.
Today
45°F
Light Rain Likely
Rain likely and patchy fog. Mostly cloudy. High near 45, with temperatures falling to around 43 in the afternoon. West wind 1 to 5 mph. Chance of precipitation is 70%.
7-day forecast for Charleston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 45°F | Light Rain Likely | 1 to 5 mph W | 71% |
| Tonight | 29°F | Slight Chance Light Rain then Areas Of Fog | 0 to 3 mph NW | 22% |
| Thursday | 51°F | Areas Of Fog then Partly Sunny | 0 to 5 mph NNW | 3% |
| Thursday Night | 28°F | Areas Of Fog | 0 to 3 mph NW | 12% |
| Friday | 51°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph N | 6% |
| Friday Night | 27°F | Mostly Clear | 0 to 3 mph N | 0% |
| Saturday | 56°F | Sunny | 2 mph N | 0% |
| Saturday Night | 31°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 63°F | Sunny | 0 to 5 mph ESE | 0% |
| Sunday Night | 34°F | Mostly Clear | 2 to 7 mph SE | 0% |
| Monday | 63°F | Mostly Sunny | 2 mph SSE | 0% |
| Monday Night | 35°F | Mostly Cloudy | 3 mph SE | 1% |
| Tuesday | 60°F | Mostly Sunny | 0 to 3 mph WSW | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 2 mph ESE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Charleston (40.467, -111.459). Updated through the day.
Growing snapshot for Charleston
Last spring frost
May 31
First fall frost
Sep 11
Growing season
101 days
Hardiness zone
6a
More local growing data for Charleston: nearby ZIP 84049 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Snake Creek Powerhouse, Ut (2.9 mi from Charleston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.