Bruneau, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bruneau, a community in Owyhee County, Idaho.
Today
59°F
Mostly Cloudy
Mostly cloudy, with a high near 59. East southeast wind 12 to 23 mph, with gusts as high as 32 mph.
7-day forecast for Bruneau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Mostly Cloudy | 12 to 23 mph ESE | 1% |
| Tonight | 36°F | Slight Chance Rain Showers | 1 to 8 mph W | 17% |
| Wednesday | 60°F | Mostly Sunny | 3 to 9 mph WNW | 4% |
| Wednesday Night | 33°F | Partly Cloudy | 3 mph SE | 4% |
| Thursday | 58°F | Partly Sunny | 1 to 7 mph NE | 4% |
| Thursday Night | 30°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Friday | 59°F | Mostly Sunny | 1 to 5 mph E | 0% |
| Friday Night | 33°F | Partly Cloudy | 3 mph SE | 0% |
| Saturday | 64°F | Sunny | 3 to 16 mph ESE | 0% |
| Saturday Night | 37°F | Partly Cloudy | 13 to 18 mph ESE | 0% |
| Sunday | 66°F | Mostly Sunny | 5 to 18 mph E | 0% |
| Sunday Night | 37°F | Mostly Cloudy | 5 mph SSE | 0% |
| Monday | 66°F | Partly Sunny | 5 to 12 mph E | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 mph WSW | 3% |
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 Nov 3, 2026.