Boise City, ID Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 5 mph SE | 1% |
| Sunday | 80°F | Sunny | 6 mph S | 1% |
| Sunday Night | 52°F | Mostly Clear | 5 mph E | 0% |
| Monday | 84°F | Sunny | 5 mph SSE | 0% |
| Monday Night | 54°F | Partly Cloudy | 5 mph NNE | 0% |
| Tuesday | 85°F | Mostly Sunny | 5 mph SSE | 0% |
| Tuesday Night | 55°F | Partly Cloudy | 6 mph NE | 1% |
| Wednesday | 85°F | Sunny | 7 mph SSE | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 3 to 7 mph NNE | 1% |
| Thursday | 87°F | Sunny | 5 to 9 mph SE | 0% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph E | 1% |
| Friday | 83°F | Mostly Sunny | 9 mph SSE | 1% |
| Friday Night | 51°F | Partly Cloudy | 9 mph NW | 5% |
| Saturday | 76°F | Mostly Sunny | 6 to 9 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boise City, ID
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
Explore more for Boise City, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Boise Air Terminal, Id (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.