Boise City, ID Weather & Growing Conditions
Overnight
38°F
Mostly Cloudy
Mostly cloudy, with a low around 38. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Cloudy | 2 mph W | 1% |
| Wednesday | 59°F | Sunny | 2 to 6 mph W | 1% |
| Wednesday Night | 39°F | Mostly Cloudy | 3 mph SE | 3% |
| Thursday | 56°F | Partly Sunny | 2 to 7 mph W | 3% |
| Thursday Night | 32°F | Mostly Clear | 5 mph SSE | 0% |
| Friday | 58°F | Mostly Sunny | 3 mph ENE | 0% |
| Friday Night | 35°F | Partly Cloudy | 3 mph W | 0% |
| Saturday | 63°F | Sunny | 2 to 6 mph ENE | 0% |
| Saturday Night | 42°F | Partly Cloudy | 6 to 9 mph SE | 0% |
| Sunday | 65°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 2 mph NNE | 0% |
| Monday | 64°F | Partly Sunny | 3 mph SSE | 0% |
| Monday Night | 40°F | Mostly Cloudy | 0 to 3 mph NE | 1% |
| Tuesday | 65°F | Mostly Sunny | 3 mph SSE | 9% |
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 Nov 4, 2026.