Winchester, KS Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 10 mph S | 8% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SW | 15% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 86% |
| Sunday | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 39% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 51% |
| Monday | 66°F | Chance Rain Showers | 5 to 10 mph N | 51% |
| Monday Night | 53°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Tuesday | 64°F | Mostly Cloudy | 5 mph NE | 3% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph NE | 2% |
| Wednesday | 68°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 10% |
| Thursday | 71°F | Chance Rain Showers | 0 to 5 mph E | 27% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 5 mph E | 24% |
| Friday | 71°F | Chance Rain Showers | 5 mph E | 26% |
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 Sep 19, 2026.