Chattanooga, TN Weather & Growing Conditions
Overnight
65°F
Chance Showers And Thunderstorms
A slight chance of rain showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Cloudy, with a low around 65. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Chance Showers And Thunderstorms | 15 mph SE | 47% |
| Wednesday | 71°F | Showers And Thunderstorms | 10 to 15 mph S | 100% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 10 mph SW | 66% |
| Thursday | 75°F | Mostly Sunny | 0 to 5 mph W | 8% |
| Thursday Night | 52°F | Partly Cloudy | 0 mph | 8% |
| Friday | 73°F | Mostly Sunny | 0 to 10 mph NW | 3% |
| Friday Night | 47°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Saturday | 65°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 42°F | Partly Cloudy | 5 to 10 mph N | 1% |
| Sunday | 64°F | Mostly Sunny | 5 mph N | 6% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph NW | 7% |
| Monday | 65°F | Sunny | 0 to 5 mph NW | 6% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chattanooga, TN
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
230 days
Hardiness zone
8a
Explore more for Chattanooga, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Chattanooga Lovell Ap, Tn (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.