Chattanooga 7-day weather forecast

Written by:
December 15, 2025
ESOlex // Shutterstock

Chattanooga 7-day weather forecast

Stacker created the forecast for Chattanooga, Tennessee using data from OpenWeather. This week's high is 61 °F on Thursday, while the low is 18 °F on Monday. There are expected to be 2 sunny days and rain on 3 days this week.

NWS Morristown TN has issued a cold weather advisory until Monday at 10:00 AM.

Monday, December 15

- High of 43 °F, low of 18 °F (22% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:42 AM, sunset at 5:30 PM
1 / 6
Nazarova Mariia // Shutterstock

Tuesday, December 16

- High of 52 °F, low of 28 °F (28% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:42 AM, sunset at 5:31 PM
2 / 6
Onishchenko Natalya // Shutterstock

Wednesday, December 17

- High of 55 °F, low of 35 °F (49% humidity)
- Overcast with a 0% chance of rain
- Light breeze (5 mph wind)
- Sunrise at 7:43 AM, sunset at 5:31 PM
3 / 6
Alex Linch // Shutterstock

Thursday, December 18

- High of 61 °F, low of 46 °F (90% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 7:44 AM, sunset at 5:31 PM
4 / 6
VOJTa Herout // Shutterstock

Friday, December 19

- High of 52 °F, low of 36 °F (45% humidity)
- Partly sunny with a 100% chance of rain (3 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 7:44 AM, sunset at 5:32 PM
- New moon
5 / 6
1981 Rustic Studio kan // Shutterstock

Saturday, December 20

- High of 58 °F, low of 35 °F (44% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 7:45 AM, sunset at 5:32 PM
6 / 6
John Cartwright // Shutterstock

Sunday, December 21

- High of 57 °F, low of 45 °F (97% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 7:45 AM, sunset at 5:33 PM

Trending Now