Thompson Springs, UT Weather & Growing Conditions
Today
104°F
Sunny then Patchy Smoke
Patchy smoke after noon. Sunny, with a high near 104. North wind 0 to 15 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny then Patchy Smoke | 0 to 15 mph N | 0% |
| Tonight | 67°F | Patchy Smoke then Mostly Clear | 5 to 15 mph WSW | 0% |
| Wednesday | 102°F | Sunny | 0 to 10 mph N | 0% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 10 mph ENE | 0% |
| Thursday | 103°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 69°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Friday | 104°F | Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 70°F | Clear | 0 to 5 mph NNW | 0% |
| Saturday | 105°F | Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Sunday | 104°F | Sunny | 5 to 10 mph N | 1% |
| Sunday Night | 74°F | Partly Cloudy | 5 to 10 mph SSE | 3% |
| Monday | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNW | 15% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SSE | 16% |
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 (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.