Collegedale, TN Weather & Growing Conditions
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 3% |
| Saturday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 29% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 30% |
| Sunday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 47% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 69% |
| Wednesday | 84°F | Chance Rain Showers | 0 to 5 mph S | 53% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 5 mph N | 53% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph N | 12% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph N | 12% |
| Friday | 80°F | Mostly Sunny | 5 to 10 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Collegedale, TN
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
230 days
Hardiness zone
8a
Explore more for Collegedale, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Chattanooga Lovell Ap, Tn (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.