Chattanooga 7-day weather forecast

Written by:
August 25, 2025
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Chattanooga 7-day weather forecast

Stacker created the forecast for Chattanooga, Tennessee using data from OpenWeather. This week's high is 86 °F on Friday, while the low is 56 °F on Sunday. There are expected to be 2 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, September 1

- High of 81 °F, low of 63 °F (59% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:14 AM, sunset at 8:08 PM
1 / 6
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Tuesday, September 2

- High of 82 °F, low of 59 °F (42% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:14 AM, sunset at 8:07 PM
2 / 6
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Wednesday, September 3

- High of 81 °F, low of 62 °F (51% humidity)
- Partly sunny with a 100% chance of rain (9 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:15 AM, sunset at 8:05 PM
3 / 6
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Thursday, September 4

- High of 83 °F, low of 63 °F (59% humidity)
- Partly cloudy with a 100% chance of rain (22 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:16 AM, sunset at 8:04 PM
4 / 6
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Friday, September 5

- High of 86 °F, low of 62 °F (31% humidity)
- Mostly sunny with a 55% chance of rain (0 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 7:17 AM, sunset at 8:02 PM
5 / 6
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Saturday, September 6

- High of 84 °F, low of 62 °F (42% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 7:17 AM, sunset at 8:01 PM
6 / 6
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Sunday, September 7

- High of 81 °F, low of 56 °F (27% humidity)
- Mostly sunny with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 7:18 AM, sunset at 8:00 PM
- Full moon

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