Lewiston, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewiston, a city in Nez Perce County, Idaho.
This Afternoon
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. Northwest wind 2 to 6 mph.
7-day forecast for Lewiston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 2 to 6 mph NW | 3% |
| Tonight | 54°F | Partly Cloudy | 1 to 5 mph S | 1% |
| Saturday | 78°F | Sunny | 2 mph NW | 1% |
| Saturday Night | 54°F | Mostly Clear | 3 mph S | 0% |
| Sunday | 82°F | Sunny | 5 mph E | 0% |
| Sunday Night | 56°F | Mostly Clear | 1 to 5 mph E | 0% |
| Monday | 84°F | Sunny | 5 mph E | 0% |
| Monday Night | 57°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 81°F | Sunny | 5 mph NE | 1% |
| Tuesday Night | 55°F | Partly Cloudy | 5 mph NW | 1% |
| Wednesday | 77°F | Sunny | 3 mph N | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 82°F | Sunny | 5 mph NE | 1% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph SW | 4% |
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 Sep 18, 2026.