Lewiston, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewiston, a city in Nez Perce County, Idaho.
Overnight
54°F
Areas Of Smoke
Areas of smoke. Mostly clear. Low around 54, with temperatures rising to around 56 overnight. East wind around 3 mph.
7-day forecast for Lewiston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Areas Of Smoke | 3 mph E | 0% |
| Tuesday | 89°F | Haze | 3 mph N | 0% |
| Tuesday Night | 57°F | Patchy Smoke | 5 mph E | 0% |
| Wednesday | 95°F | Areas Of Smoke | 5 mph NE | 0% |
| Wednesday Night | 60°F | Patchy Smoke then Clear | 5 mph E | 0% |
| Thursday | 101°F | Sunny | 5 mph NE | 0% |
| Thursday Night | 64°F | Clear | 5 mph SW | 0% |
| Friday | 100°F | Sunny | 2 to 17 mph SW | 0% |
| Friday Night | 64°F | Clear | 2 to 17 mph SW | 0% |
| Saturday | 96°F | Sunny | 2 to 14 mph NW | 0% |
| Saturday Night | 62°F | Mostly Clear | 2 to 14 mph SW | 0% |
| Sunday | 91°F | Sunny | 2 to 12 mph N | 0% |
| Sunday Night | 60°F | Mostly Clear | 1 to 12 mph SW | 0% |
| Monday | 90°F | Sunny | 1 to 10 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lewiston (46.393, -116.993). Updated through the day.
Growing snapshot for Lewiston
Last spring frost
Apr 6
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
7b
More local growing data for Lewiston: nearby ZIP 83501 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewiston Nez Perce Co Ap, Id (9.5 mi from Lewiston). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.