Eureka, UT Weather & Growing Conditions
Today
89°F
Patchy Smoke
Patchy smoke. Sunny. High near 89, with temperatures falling to around 87 in the afternoon. Northwest wind 3 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Patchy Smoke | 3 to 13 mph NW | 0% |
| Tonight | 59°F | Patchy Smoke | 2 to 13 mph NNW | 0% |
| Wednesday | 89°F | Patchy Smoke | 2 to 12 mph N | 0% |
| Wednesday Night | 60°F | Patchy Smoke then Mostly Clear | 2 to 12 mph NE | 0% |
| Thursday | 93°F | Sunny | 2 to 8 mph S | 0% |
| Thursday Night | 63°F | Mostly Clear | 2 to 12 mph E | 0% |
| Friday | 94°F | Sunny | 2 to 7 mph SSW | 0% |
| Friday Night | 66°F | Mostly Clear | 2 to 8 mph WSW | 0% |
| Saturday | 95°F | Sunny | 2 to 8 mph SW | 1% |
| Saturday Night | 67°F | Partly Cloudy | 5 to 8 mph S | 3% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 10 mph SSW | 13% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 mph SW | 16% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 9 mph WSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Eureka, UT
Last spring frost
May 15
First fall frost
Oct 1
Growing season
137 days
Hardiness zone
6b
Explore more for Eureka, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Little Sahara Rec Area, Ut (17.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.