Nampa, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nampa, a city in Canyon County, Idaho.
Today
89°F
Smoke
Smoke. Sunny, with a high near 89. Northwest wind 2 to 6 mph.
7-day forecast for Nampa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Smoke | 2 to 6 mph NW | 0% |
| Tonight | 57°F | Areas Of Smoke | 5 mph S | 0% |
| Wednesday | 94°F | Smoke | 3 mph NE | 0% |
| Wednesday Night | 60°F | Areas Of Smoke | 1 to 5 mph SSE | 0% |
| Thursday | 100°F | Areas Of Smoke | 3 mph ENE | 0% |
| Thursday Night | 65°F | Areas Of Smoke | 5 mph E | 0% |
| Friday | 101°F | Sunny | 1 to 7 mph NW | 0% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph NW | 0% |
| Saturday | 99°F | Sunny | 5 to 9 mph NW | 0% |
| Saturday Night | 66°F | Mostly Clear | 5 to 8 mph NW | 0% |
| Sunday | 95°F | Sunny | 9 mph NW | 0% |
| Sunday Night | 64°F | Mostly Clear | 6 to 9 mph NNW | 0% |
| Monday | 94°F | Sunny | 6 to 9 mph NW | 0% |
| Monday Night | 62°F | Mostly Clear | 5 to 8 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Nampa (43.586, -116.566). Updated through the day.
Growing snapshot for Nampa
Last spring frost
Apr 29
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
7a
More local growing data for Nampa: nearby ZIP 83687 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nampa Sugar Factory, Id (2.3 mi from Nampa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.