Collinwood, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinwood, a city in Wayne County, Tennessee.
This Afternoon
98°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 97. North northwest wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Collinwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Tonight | 72°F | Mostly Clear | 0 mph | 9% |
| Sunday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph WSW | 18% |
| Sunday Night | 72°F | Mostly Clear | 0 mph | 10% |
| Monday | 95°F | Mostly Sunny | 0 to 5 mph SW | 13% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Tuesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 37% |
| Tuesday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 37% |
| Wednesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NNW | 15% |
| Wednesday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 15% |
| Thursday | 83°F | Mostly Sunny | 5 mph N | 6% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Friday | 83°F | Mostly Sunny | 0 to 10 mph NNE | 2% |
| Friday Night | 60°F | Partly Cloudy | 0 to 5 mph NNE | 1% |
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 Sep 20, 2026.