Boise City, ID Weather & Growing Conditions
Overnight
53°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms before 4am. Mostly cloudy, with a low around 53. West wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Isolated Showers And Thunderstorms | 5 mph W | 15% |
| Saturday | 76°F | Mostly Sunny | 3 to 7 mph WNW | 9% |
| Saturday Night | 53°F | Mostly Clear | 2 to 7 mph SSW | 3% |
| Sunday | 80°F | Sunny | 6 mph SSE | 1% |
| Sunday Night | 54°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Monday | 84°F | Sunny | 7 mph SSE | 0% |
| Monday Night | 56°F | Partly Cloudy | 6 mph SW | 0% |
| Tuesday | 84°F | Sunny | 6 mph SSW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 6 mph NNE | 0% |
| Wednesday | 86°F | Sunny | 9 mph SE | 0% |
| Wednesday Night | 56°F | Mostly Clear | 7 to 10 mph ENE | 0% |
| Thursday | 87°F | Sunny | 9 to 14 mph SE | 1% |
| Thursday Night | 57°F | Partly Cloudy | 12 mph ESE | 2% |
| Friday | 84°F | Mostly Sunny | 12 mph SSE | 2% |
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 (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.