Boise, Idaho Weather Forecast
Today in Boise: overcast with a high near 57°F and a low around 42°F. Rain chance 21%. No day tops a 20% rain chance through Saturday. Highs run 55 to 74°F through Saturday.
Forecast updated 8:05 PM MDT, Oct 11
Active Weather Alerts
7-Day Forecast for Boise
Today 10/11
57°/42°
21%
Mon 10/12
55°/37°
5%
Tue 10/13
62°/36°
3%
Wed 10/14
64°/37°
0%
Thu 10/15
68°/41°
0%
Fri 10/16
73°/44°
0%
Sat 10/17
74°/48°
0%
Next 24 Hours
| Now | 9 PM | 10 PM | 11 PM | Mon12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  |  | | | | | | | | | | |  | | | | | | | | | | | |
| Temp | 53° | 50° | 47° | 46° | 45° | 44° | 43° | 42° | 40° | 39° | 39° | 38° | 37° | 38° | 41° | 45° | 47° | 50° | 52° | 53° | 54° | 55° | 54° | 53° |
| Rain | 21% | 6% | 4% | 2% | 2% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 1% | 1% | 1% | 1% | 1% | 2% | 2% | 3% | 5% | 2% |
| Wind | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 7 | WNW 7 | WNW 6 | WNW 5 | WNW 5 | WNW 5 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | NW 5 | WNW 5 | WNW 6 | WNW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 5 |
Growing Conditions
Growing degree days
3,373
since Apr 1, base 50°F
Rain, last 30 days
0.00 in
model analysis
Rain, year to date
10.02 in
since Jan 1
2-inch soil temperature
64°F
yesterday, daily average
Reference ET, last 7 days
1.04 in
FAO-56 grass reference
Through Oct 10. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Boise →
Current Stats & Observations
NWS Forecast
About Boise Weather
Boise sits at about 2,743 feet above sea level in Ada County, Idaho. About 389,280 people live in the Boise area. Official forecasts and warnings for the area come from the National Weather Service BOI office, and the nearest NEXRAD radar site is KCBX. The city is in USDA plant hardiness zone 7a, where the coldest winter night typically falls between 0 to 5°F. Over the past ten years the last spring freeze has come around Apr 17 and the first fall freeze around Oct 26.