Bruneau, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bruneau, a community in Owyhee County, Idaho.
Today
92°F
Smoke
Smoke. Sunny, with a high near 92. West northwest wind 7 to 12 mph.
7-day forecast for Bruneau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Smoke | 7 to 12 mph WNW | 0% |
| Tonight | 52°F | Areas Of Smoke | 2 to 14 mph WSW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 6 mph NNE | 0% |
| Wednesday Night | 57°F | Patchy Smoke | 2 to 12 mph SSW | 0% |
| Thursday | 104°F | Patchy Smoke | 2 to 6 mph ENE | 0% |
| Thursday Night | 62°F | Areas Of Smoke | 1 to 9 mph ENE | 0% |
| Friday | 105°F | Sunny | 2 to 8 mph NW | 0% |
| Friday Night | 64°F | Mostly Clear | 3 to 15 mph WNW | 0% |
| Saturday | 103°F | Sunny | 3 to 12 mph NW | 0% |
| Saturday Night | 64°F | Mostly Clear | 3 to 16 mph WNW | 0% |
| Sunday | 99°F | Sunny | 7 to 17 mph NW | 0% |
| Sunday Night | 61°F | Mostly Clear | 5 to 18 mph WNW | 0% |
| Monday | 98°F | Sunny | 7 to 14 mph NW | 0% |
| Monday Night | 60°F | Mostly Clear | 3 to 18 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Bruneau (42.873, -115.795). Updated through the day.
Growing snapshot for Bruneau
Last spring frost
Apr 17
First fall frost
Oct 17
Growing season
181 days
Hardiness zone
7a
More local growing data for Bruneau: nearby ZIP 83604 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bruneau, Id (11.1 mi from Bruneau). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.