Winchester, KS Weather & Growing Conditions
Overnight
44°F
Cloudy
Cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Cloudy | 10 mph NW | 1% |
| Wednesday | 55°F | Mostly Cloudy | 5 to 10 mph W | 0% |
| Wednesday Night | 39°F | Mostly Clear | 5 mph W | 1% |
| Thursday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph NW | 16% |
| Thursday Night | 38°F | Mostly Cloudy | 5 mph NW | 1% |
| Friday | 54°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 36°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 58°F | Mostly Sunny | 0 mph | 3% |
| Saturday Night | 37°F | Mostly Clear | 0 to 5 mph W | 6% |
| Sunday | 63°F | Sunny | 0 to 5 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 67°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 67°F | Sunny | 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winchester, KS
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6b
Explore more for Winchester, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Oskaloosa 4 Ne, Ks (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.