Collinwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinwood, a city in Wayne County, Tennessee.
Overnight
65°F
Partly Cloudy
Partly cloudy, with a low around 65. North northeast wind around 0 mph.
7-day forecast for Collinwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 87°F | Mostly Sunny | 0 to 5 mph N | 9% |
| Tuesday Night | 68°F | Patchy Fog | 0 mph | 5% |
| Wednesday | 88°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Wednesday Night | 70°F | Patchy Fog | 0 mph | 9% |
| Thursday | 91°F | Sunny | 5 mph SSW | 5% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Friday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 22% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 44% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 29% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Collinwood (35.175, -87.744). Updated through the day.
Growing snapshot for Collinwood
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
7b
More local growing data for Collinwood: nearby ZIP 38450 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waynesboro, Tn (8.6 mi from Collinwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.