Winchester, ID Weather & Growing Conditions
Overnight
49°F
Haze
Haze and areas of smoke. Clear. Low around 49, with temperatures rising to around 51 overnight. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Haze | 3 mph N | 0% |
| Tuesday | 76°F | Haze | 2 to 7 mph N | 0% |
| Tuesday Night | 54°F | Haze | 3 to 7 mph N | 0% |
| Wednesday | 82°F | Patchy Smoke | 5 mph W | 0% |
| Wednesday Night | 58°F | Areas Of Smoke then Clear | 5 mph SE | 0% |
| Thursday | 89°F | Sunny | 6 mph SW | 0% |
| Thursday Night | 63°F | Clear | 6 mph W | 0% |
| Friday | 88°F | Sunny | 3 to 12 mph W | 0% |
| Friday Night | 62°F | Clear | 2 to 12 mph SW | 0% |
| Saturday | 84°F | Sunny | 2 to 10 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 3 to 10 mph W | 0% |
| Sunday | 80°F | Sunny | 2 to 9 mph W | 0% |
| Sunday Night | 57°F | Mostly Clear | 1 to 9 mph NW | 0% |
| Monday | 79°F | Sunny | 1 to 9 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winchester, ID
Last spring frost
May 23
First fall frost
Sep 25
Growing season
121 days
Hardiness zone
6b
Explore more for Winchester, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Winchester, Id (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.