Boise City, ID Weather & Growing Conditions
Today
89°F
Smoke
Smoke. Sunny, with a high near 89. West wind 1 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Smoke | 1 to 7 mph W | 0% |
| Tonight | 57°F | Smoke | 2 to 8 mph SSW | 0% |
| Wednesday | 94°F | Areas Of Smoke | 5 mph SSW | 0% |
| Wednesday Night | 61°F | Patchy Smoke | 2 to 7 mph SSE | 0% |
| Thursday | 100°F | Areas Of Smoke | 1 to 5 mph NNE | 0% |
| Thursday Night | 65°F | Areas Of Smoke | 2 to 7 mph S | 0% |
| Friday | 101°F | Sunny | 2 to 7 mph NW | 0% |
| Friday Night | 65°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Saturday | 99°F | Sunny | 2 to 9 mph NW | 0% |
| Saturday Night | 65°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Sunday | 96°F | Sunny | 2 to 9 mph NW | 0% |
| Sunday Night | 62°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Monday | 94°F | Sunny | 2 to 9 mph NW | 0% |
| Monday Night | 62°F | Mostly Clear | 2 to 9 mph N | 0% |
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 (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.