Winchester, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a city in Franklin County, Tennessee.
Today
93°F
Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 98. Northwest wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 43% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 29% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 20% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 19% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 38% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 62% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 73% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 0 mph | 73% |
| Wednesday | 82°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 59% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 0 mph | 59% |
| Thursday | 80°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NNE | 15% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 15% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph NNE | 9% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Winchester (35.189, -86.105). Updated through the day.
Growing snapshot for Winchester
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
7b
More local growing data for Winchester: nearby ZIP 37398 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winchester 5Se, Tn (6.2 mi from Winchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.