Frost dates for Winchester 5se, TN
At Winchester 5se, the median last spring frost (32°F) is Apr 6 and the median first fall frost is Oct 29, for a typical growing season of 204 days. For a 90% chance that the last frost has passed, wait until Apr 25. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 6Last spring frost (median)50% chance of 32°F after this date
- Apr 25Safer planting date10% chance of 32°F after this date
- Oct 29First fall frost (median)50% chance of 32°F by this date
- 204 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 2 | Apr 21 | May 8 |
| 32°F | Mar 19 | Apr 6 | Apr 25 |
| 28°F | Mar 6 | Mar 26 | Apr 10 |
| 24°F | Feb 20 | Mar 12 | Apr 1 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 7 | Oct 21 | Nov 1 |
| 32°F | Oct 16 | Oct 29 | Nov 11 |
| 28°F | Oct 25 | Nov 6 | Nov 24 |
| 24°F | Nov 1 | Nov 17 | Dec 9 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 161 days | 182 days | 203 days |
| 32°F | 182 days | 204 days | 226 days |
| 28°F | 205 days | 229 days | 255 days |
| 24°F | 228 days | 255 days | 282 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 37318 | 7b | 5 to 10°F | 5 km |
| 37398 | 7b | 5 to 10°F | 10 km |
| 37376 | 7b | 5 to 10°F | 14 km |
| 37306 | 7b | 5 to 10°F | 16 km |
| 37345 | 7b | 5 to 10°F | 22 km |
| 35745 | 7b | 5 to 10°F | 28 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00409800, at 35.1614, -86.0314, elevation 287 m (941 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 71.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Sewanee (11 km)
- Monteagle (19 km)
- Tullahoma (26 km)
- Lynchburg (34 km)
- Coalmont (38 km)
- Manchester #2 (40 km)
- Wartrace 6e (46 km)
- Fayetteville Water Plant (47 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.