Collinwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinwood, a city in Wayne County, Tennessee.
Today
70°F
Showers And Thunderstorms then Mostly Cloudy
Showers and thunderstorms before 11am. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. West southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Collinwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph WSW | 84% |
| Tonight | 47°F | Areas Of Fog | 0 to 5 mph WNW | 0% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 47°F | Areas Of Fog | 0 mph | 0% |
| Friday | 68°F | Patchy Fog then Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 43°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 57°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 mph | 0% |
| Monday | 62°F | Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph W | 1% |
| Tuesday Night | 41°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.