Chattanooga 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Chattanooga 7-day weather forecast

Stacker created the forecast for Chattanooga, Tennessee using data from OpenWeather. This week's high is 91 °F on Friday, while the low is 62 °F on Wednesday. There are expected to be 4 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, September 15

- High of 86 °F, low of 64 °F (42% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:24 AM, sunset at 7:48 PM
1 / 6
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Tuesday, September 16

- High of 84 °F, low of 64 °F (43% humidity)
- Partly cloudy with a 93% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:25 AM, sunset at 7:47 PM
2 / 6
Witaya Proadtayakogool // Shutterstock

Wednesday, September 17

- High of 87 °F, low of 62 °F (51% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:25 AM, sunset at 7:45 PM
3 / 6
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Thursday, September 18

- High of 89 °F, low of 65 °F (38% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light air (3 mph wind)
- Sunrise at 7:26 AM, sunset at 7:44 PM
4 / 6
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Friday, September 19

- High of 91 °F, low of 65 °F (34% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light air (3 mph wind)
- Sunrise at 7:27 AM, sunset at 7:42 PM
5 / 6
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Saturday, September 20

- High of 91 °F, low of 65 °F (33% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:27 AM, sunset at 7:41 PM
6 / 6
Zyabich // Shutterstock

Sunday, September 21

- High of 86 °F, low of 66 °F (42% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:28 AM, sunset at 7:39 PM
- New moon

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