Chattanooga, TN Weather & Growing Conditions
Today
70°F
Showers And Thunderstorms
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 8am, then showers and thunderstorms. Cloudy, with a high near 70. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Showers And Thunderstorms | 10 to 20 mph S | 89% |
| Tonight | 61°F | Showers And Thunderstorms | 0 to 10 mph SW | 97% |
| Thursday | 74°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Thursday Night | 51°F | Partly Cloudy | 0 mph | 2% |
| Friday | 72°F | Sunny | 0 to 10 mph N | 2% |
| Friday Night | 45°F | Mostly Clear | 5 to 10 mph N | 1% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Sunday | 62°F | Mostly Sunny | 5 mph N | 0% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 64°F | Sunny | 0 to 5 mph N | 1% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 67°F | Sunny | 0 mph | 2% |
| Tuesday Night | 40°F | Mostly Clear | 0 mph | 2% |
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 (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.