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Winchester, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a city in Randolph County, Indiana.

Tonight
46°F
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 7pm. Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. West southwest wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Winchester

WhenTempForecastWindPrecip
Tonight 46°F Slight Chance Light Rain then Mostly Cloudy 7 to 12 mph WSW 18%
Thursday 61°F Mostly Cloudy 9 to 15 mph SW 1%
Thursday Night 43°F Chance Light Rain 5 to 9 mph W 27%
Friday 53°F Slight Chance Light Rain 6 to 13 mph NW 19%
Friday Night 34°F Mostly Cloudy 6 to 10 mph NW 13%
Saturday 52°F Partly Sunny 6 to 10 mph NW 1%
Saturday Night 30°F Partly Cloudy 2 to 6 mph WNW 0%
Sunday 55°F Sunny 5 to 12 mph W 1%
Sunday Night 33°F Mostly Clear 5 to 8 mph W 1%
Monday 59°F Sunny 3 to 9 mph W 0%
Monday Night 38°F Clear 8 mph WSW 0%
Tuesday 62°F Sunny 9 mph W 1%
Tuesday Night 36°F Mostly Clear 2 to 6 mph WNW 3%
Veterans Day 60°F Mostly Sunny 2 to 6 mph NW 3%

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

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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 Nov 5, 2026.