Nampa, Idaho Weather Forecast
Today in Nampa: overcast with a high near 59°F and a low around 43°F. Rain chance 12%. No day tops a 20% rain chance through Saturday. Highs run 56 to 74°F through Saturday.
Forecast updated 8:05 PM MDT, Oct 11
Active Weather Alerts
7-Day Forecast for Nampa
Today 10/11
59°/43°
12%
Mon 10/12
56°/38°
3%
Tue 10/13
64°/38°
2%
Wed 10/14
66°/38°
0%
Thu 10/15
69°/40°
0%
Fri 10/16
73°/44°
0%
Sat 10/17
74°/48°
0%
Next 24 Hours
| Now | 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 | 8 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | | | | | | | | | | |  | | | | | | | | | | | | |
| Temp | 49° | 46° | 44° | 43° | 44° | 42° | 42° | 41° | 40° | 39° | 39° | 38° | 40° | 44° | 47° | 49° | 51° | 53° | 54° | 56° | 56° | 55° | 54° | 51° |
| Rain | 4% | 3% | 2% | 1% | 1% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 2% | 2% |
| Wind | NW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | NW 5 | NW 5 | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 4 | NW 4 |
Growing Conditions
Growing degree days
3,475
since Apr 1, base 50°F
Rain, last 30 days
0.02 in
model analysis
Rain, year to date
9.73 in
since Jan 1
2-inch soil temperature
61°F
yesterday, daily average
Reference ET, last 7 days
1.01 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 Nampa →
Current Stats & Observations
NWS Forecast
About Nampa Weather
Nampa sits at about 2,470 feet above sea level in Canyon County, Idaho. About 184,428 people live in the Nampa 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 15 and the first fall freeze around Oct 28.