Winchester, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a city in Randolph County, Indiana.
Today
81°F
Sunny
Sunny, with a high near 81. East northeast wind around 1 mph.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 1 mph ENE | 0% |
| Tonight | 61°F | Mostly Clear | 1 mph ENE | 0% |
| Wednesday | 83°F | Sunny | 0 to 3 mph SSW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 3 mph SW | 5% |
| Thursday | 82°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 to 8 mph SW | 52% |
| Thursday Night | 65°F | Scattered Showers And Thunderstorms | 5 mph SW | 62% |
| Friday | 81°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 3 to 7 mph SW | 62% |
| Friday Night | 65°F | Scattered Showers And Thunderstorms | 5 mph SW | 53% |
| Saturday | 82°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 17% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 17% |
| Sunday | 84°F | Mostly Sunny | 6 to 10 mph SW | 14% |
| Sunday Night | 69°F | Partly Cloudy | 8 mph SW | 14% |
| Monday | 85°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 27% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 35% |
Forecast source: National Weather Service (api.weather.gov) for Winchester (40.172, -84.977). Updated through the day.
Growing snapshot for Winchester
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
183 days
Hardiness zone
6a
More local growing data for Winchester: nearby ZIP 47394 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Blountsville
Farmland
Losantville
Lynn
Modoc
Parker City
Ridgeville
Saratoga
Spartanburg
Union City
Windsor
Climate data from the nearest NOAA station, Winchester Airport 3 E, In (3.5 mi from Winchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.