Boise City, ID Weather & Growing Conditions
Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Clear | 1 mph E | 2% |
| Sunday | 81°F | Sunny | 1 to 5 mph S | 1% |
| Sunday Night | 57°F | Mostly Clear | 5 mph E | 0% |
| Monday | 84°F | Sunny | 5 mph ESE | 0% |
| Monday Night | 60°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 58°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Wednesday | 86°F | Sunny | 5 mph S | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 6 mph NNE | 0% |
| Thursday | 88°F | Mostly Sunny | 3 to 9 mph ESE | 0% |
| Thursday Night | 60°F | Partly Cloudy | 6 to 10 mph ESE | 0% |
| Friday | 86°F | Mostly Sunny | 7 to 10 mph SSE | 0% |
| Friday Night | 55°F | Mostly Cloudy | 3 to 9 mph WNW | 2% |
| Saturday | 76°F | Mostly Sunny | 3 to 7 mph WNW | 1% |
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 (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.