Boise City, ID Weather & Growing Conditions
Today
90°F
Smoke
Smoke. Sunny, with a high near 90. West southwest wind 1 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Smoke | 1 to 8 mph WSW | 0% |
| Tonight | 58°F | Smoke | 1 to 8 mph NE | 0% |
| Wednesday | 95°F | Areas Of Smoke | 2 to 6 mph S | 0% |
| Wednesday Night | 62°F | Patchy Smoke | 1 to 7 mph ENE | 0% |
| Thursday | 101°F | Areas Of Smoke | 1 to 5 mph NNE | 0% |
| Thursday Night | 66°F | Areas Of Smoke | 2 to 7 mph ENE | 0% |
| Friday | 102°F | Sunny | 1 to 7 mph WNW | 0% |
| Friday Night | 65°F | Mostly Clear | 1 to 8 mph N | 0% |
| Saturday | 100°F | Sunny | 1 to 9 mph NW | 0% |
| Saturday Night | 65°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Sunday | 97°F | Sunny | 1 to 9 mph NW | 0% |
| Sunday Night | 63°F | Mostly Clear | 1 to 9 mph N | 0% |
| Monday | 95°F | Sunny | 1 to 8 mph NW | 0% |
| Monday Night | 62°F | Mostly Clear | 1 to 9 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boise City, ID
Last spring frost
May 17
First fall frost
Oct 12
Growing season
147 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 7 N, Id (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.