Nampa, ID Weather & Growing Conditions
This Afternoon
74°F
Mostly Cloudy
Mostly cloudy, with a high near 74. North northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Cloudy | 6 mph NNW | 4% |
| Tonight | 51°F | Chance Showers And Thunderstorms | 2 to 6 mph NW | 27% |
| Saturday | 78°F | Patchy Fog then Mostly Sunny | 2 to 8 mph NW | 4% |
| Saturday Night | 50°F | Mostly Clear | 3 mph ESE | 0% |
| Sunday | 82°F | Sunny | 5 mph SSE | 0% |
| Sunday Night | 52°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 83°F | Sunny | 5 mph SSE | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 5 mph NNE | 0% |
| Tuesday | 84°F | Sunny | 3 mph SSW | 1% |
| Tuesday Night | 52°F | Mostly Clear | 5 mph ENE | 1% |
| Wednesday | 84°F | Sunny | 5 mph SSE | 1% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph ENE | 1% |
| Thursday | 88°F | Sunny | 7 to 12 mph SSE | 0% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph ESE | 0% |
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 Sep 19, 2026.