Winchester, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a city in Randolph County, Indiana.
Today
82°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms likely. Mostly cloudy. High near 82, with temperatures falling to around 78 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph SSE | 71% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 7 mph S | 50% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 9 mph WNW | 66% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 13 mph NE | 73% |
| Monday | 67°F | Rain Showers Likely | 14 mph NE | 55% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 16 mph NE | 47% |
| Tuesday | 67°F | Slight Chance Rain Showers | 14 mph NE | 19% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 7 to 14 mph NE | 30% |
| Wednesday | 67°F | Chance Rain Showers | 9 mph NE | 32% |
| Wednesday Night | 53°F | Chance Rain Showers | 6 to 9 mph NNE | 32% |
| Thursday | 68°F | Mostly Cloudy | 6 to 9 mph NNE | 10% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 9 mph NNE | 9% |
| Friday | 70°F | Mostly Sunny | 6 to 10 mph NNE | 6% |
| Friday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 6% |
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 Sep 19, 2026.