Thompson Springs, UT Weather & Growing Conditions
Today
91°F
Patchy Smoke
Patchy smoke after 7am. Sunny, with a high near 91. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Patchy Smoke | 5 to 15 mph SW | 0% |
| Tonight | 64°F | Patchy Smoke then Mostly Clear | 15 to 20 mph NW | 0% |
| Wednesday | 90°F | Sunny | 5 to 15 mph SW | 0% |
| Wednesday Night | 63°F | Patchy Smoke then Mostly Clear | 10 to 20 mph WNW | 0% |
| Thursday | 91°F | Sunny | 5 to 10 mph SE | 0% |
| Thursday Night | 65°F | Mostly Clear | 5 to 15 mph WNW | 0% |
| Friday | 92°F | Sunny | 5 to 10 mph ESE | 0% |
| Friday Night | 66°F | Mostly Clear | 10 to 15 mph WNW | 0% |
| Saturday | 92°F | Sunny | 5 to 10 mph SE | 0% |
| Saturday Night | 66°F | Partly Cloudy | 5 to 15 mph WNW | 0% |
| Sunday | 90°F | Sunny | 5 to 15 mph S | 2% |
| Sunday Night | 66°F | Partly Cloudy | 5 to 15 mph WNW | 4% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph SSW | 15% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph NW | 18% |
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 Aug 4, 2026.