Bruneau, ID Weather & Growing Conditions
Overnight
52°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind around 9 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Isolated Showers And Thunderstorms | 9 mph WSW | 18% |
| Saturday | 72°F | Isolated Rain Showers then Mostly Sunny | 8 to 13 mph W | 18% |
| Saturday Night | 50°F | Mostly Clear | 5 to 13 mph SW | 4% |
| Sunday | 77°F | Sunny | 9 mph ESE | 1% |
| Sunday Night | 52°F | Mostly Clear | 5 to 10 mph E | 0% |
| Monday | 82°F | Sunny | 10 mph ESE | 0% |
| Monday Night | 55°F | Partly Cloudy | 5 to 12 mph SW | 0% |
| Tuesday | 82°F | Mostly Sunny | 8 mph SSE | 2% |
| Tuesday Night | 53°F | Partly Cloudy | 5 to 8 mph WSW | 4% |
| Wednesday | 85°F | Sunny | 9 mph ESE | 1% |
| Wednesday Night | 54°F | Mostly Clear | 10 to 14 mph SE | 1% |
| Thursday | 86°F | Sunny | 13 to 16 mph ESE | 1% |
| Thursday Night | 55°F | Partly Cloudy | 14 mph ESE | 1% |
| Friday | 84°F | Mostly Sunny | 13 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bruneau, ID
Last spring frost
Apr 17
First fall frost
Oct 17
Growing season
181 days
Hardiness zone
7a
Explore more for Bruneau, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Bruneau, Id (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.