Nampa, ID Weather & Growing Conditions
Tonight
35°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers between 11pm and midnight. Mostly cloudy, with a low around 35. North northwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 3 mph NNW | 16% |
| Wednesday | 60°F | Sunny | 2 to 6 mph NW | 2% |
| Wednesday Night | 35°F | Mostly Cloudy | 5 mph SE | 12% |
| Thursday | 58°F | Partly Sunny | 5 mph N | 12% |
| Thursday Night | 31°F | Mostly Clear then Patchy Fog | 5 mph E | 0% |
| Friday | 58°F | Partly Sunny | 2 mph SE | 1% |
| Friday Night | 34°F | Partly Cloudy | 2 mph SE | 1% |
| Saturday | 63°F | Mostly Sunny | 2 to 9 mph SE | 0% |
| Saturday Night | 40°F | Partly Cloudy | 7 to 12 mph SE | 0% |
| Sunday | 65°F | Mostly Sunny | 5 to 12 mph S | 0% |
| Sunday Night | 37°F | Mostly Cloudy | 5 mph S | 0% |
| Monday | 63°F | Partly Sunny | 3 mph S | 4% |
| Monday Night | 37°F | Partly Cloudy | 3 mph SW | 5% |
| Tuesday | 65°F | Mostly Sunny | 3 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nampa, ID
Last spring frost
Apr 29
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
7a
Explore more for Nampa, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Nampa Sugar Factory, Id (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.