Winchester, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a city in Nez Perce County, Idaho.
Today
77°F
Haze
Haze and areas of smoke. Sunny, with a high near 77. North wind 3 to 7 mph.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Haze | 3 to 7 mph N | 0% |
| Tonight | 52°F | Haze | 5 mph W | 0% |
| Wednesday | 84°F | Patchy Smoke | 6 mph N | 0% |
| Wednesday Night | 56°F | Areas Of Smoke then Clear | 6 mph N | 0% |
| Thursday | 90°F | Sunny | 6 mph NW | 0% |
| Thursday Night | 60°F | Clear | 6 mph W | 0% |
| Friday | 89°F | Sunny | 3 to 12 mph W | 0% |
| Friday Night | 59°F | Clear | 5 to 12 mph W | 0% |
| Saturday | 86°F | Sunny | 3 to 10 mph W | 0% |
| Saturday Night | 57°F | Mostly Clear | 5 to 10 mph W | 0% |
| Sunday | 81°F | Sunny | 3 to 10 mph NW | 0% |
| Sunday Night | 54°F | Mostly Clear | 3 to 10 mph W | 0% |
| Monday | 80°F | Sunny | 3 to 9 mph NW | 0% |
| Monday Night | 53°F | Mostly Clear | 3 to 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Winchester (46.241, -116.624). Updated through the day.
Growing snapshot for Winchester
Last spring frost
May 23
First fall frost
Sep 25
Growing season
121 days
Hardiness zone
7a
More local growing data for Winchester: nearby ZIP 83524 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winchester, Id (7.9 mi from Winchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.