Bonanza, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonanza, a community in Uintah County, Utah.
Tonight
52°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East wind 0 to 5 mph. Chance of precipitation is 60%.
7-day forecast for Bonanza
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 64% |
| Saturday | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 62% |
| Saturday Night | 47°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ESE | 14% |
| Sunday | 71°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 45°F | Mostly Clear | 0 to 5 mph E | 0% |
| Monday | 76°F | Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph ESE | 3% |
| Tuesday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Tuesday Night | 49°F | Chance Showers And Thunderstorms | 5 mph S | 44% |
| Wednesday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SSW | 17% |
| Wednesday Night | 49°F | Mostly Clear | 0 to 5 mph SSW | 5% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSW | 10% |
| Friday | 78°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 22% |
Forecast source: National Weather Service (api.weather.gov) for Bonanza (40.030, -109.188). Updated through the day.
Growing snapshot for Bonanza
Last spring frost
May 12
First fall frost
Oct 5
Growing season
146 days
Hardiness zone
6a
More local growing data for Bonanza: nearby ZIP 84008 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dinosaur Nm, Co (18.7 mi from Bonanza). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.