Winchester, KS Weather & Growing Conditions
Today
89°F
Mostly Sunny
Mostly sunny, with a high near 89. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 5 mph S | 7% |
| Tonight | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph E | 23% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 48% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph NE | 69% |
| Thursday | 82°F | Showers And Thunderstorms Likely then Mostly Sunny | 5 mph NE | 69% |
| Thursday Night | 66°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 32% |
| Friday | 87°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 32% |
| Friday Night | 69°F | Mostly Clear | 5 mph S | 9% |
| Saturday | 90°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 74°F | Mostly Clear | 10 mph S | 1% |
| Sunday | 92°F | Sunny | 10 to 15 mph S | 1% |
| Sunday Night | 74°F | Mostly Clear | 15 mph S | 3% |
| Monday | 93°F | Mostly Sunny | 10 to 15 mph S | 3% |
| Monday Night | 75°F | Mostly Clear | 15 mph S | 3% |
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 Aug 4, 2026.