Collegedale, TN Weather & Growing Conditions
Tonight
64°F
Chance Rain Showers
A chance of rain showers between 11pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Rain Showers | 10 to 15 mph SE | 41% |
| Wednesday | 70°F | Showers And Thunderstorms | 10 to 15 mph S | 99% |
| Wednesday Night | 60°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph S | 78% |
| Thursday | 74°F | Partly Sunny | 0 to 5 mph SW | 11% |
| Thursday Night | 51°F | Partly Cloudy | 0 mph | 10% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NW | 4% |
| Friday Night | 45°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 40°F | Partly Cloudy | 5 to 10 mph N | 1% |
| Sunday | 63°F | Mostly Sunny | 5 mph N | 5% |
| Sunday Night | 37°F | Mostly Clear | 5 mph NW | 7% |
| Monday | 63°F | Sunny | 5 mph N | 6% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph W | 0% |
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 Nov 4, 2026.