Thompson Springs, UT Weather & Growing Conditions
Tonight
46°F
Mostly Clear
Mostly clear, with a low around 46. Northwest wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 10 to 15 mph NW | 8% |
| Sunday | 67°F | Sunny | 5 to 10 mph SW | 1% |
| Sunday Night | 47°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Monday | 71°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 51°F | Partly Cloudy | 5 mph NNW | 4% |
| Tuesday | 69°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SE | 21% |
| Tuesday Night | 50°F | Showers And Thunderstorms Likely | 5 to 10 mph WNW | 74% |
| Wednesday | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph WNW | 6% |
| Thursday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 12% |
| Thursday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph W | 20% |
| Friday | 67°F | Chance Rain Showers | 5 to 10 mph SE | 42% |
| Friday Night | 52°F | Chance Showers And Thunderstorms | 5 mph SW | 33% |
| Saturday | 69°F | Chance Rain Showers | 5 to 10 mph SSW | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thompson Springs, UT
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
6b
Explore more for Thompson Springs, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Dewey, Ut (30.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.