Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 35°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Wednesday
19th Aug
35

22

13

9
Thursday
20th Aug
33

23

7

9
Friday
21st Aug
33

24

6

8
Saturday
22nd Aug
34

23

8

8
Sunday
23rd Aug
33

22

9

9

5-day weather forecast updated at 04:01 on Wednesday 19th August 2026 GMT

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The 5-day weather forecast for Tennessee (Chattanooga) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Chattanooga weather forecast by day

Below are the detailed weather forecasts for Chattanooga for the next 5 days.

Chattanooga weather for Wednesday 19th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

35
°C maximum temperature
22
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from W

Chattanooga weather for Thursday 20th August 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a light breeze of 7 kph from the west.

33
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
51
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
7
kph wind from W

Chattanooga weather for Friday 21st August 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a light breeze of 7 kph from the west.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
54
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
7
kph wind from W

Chattanooga weather for Saturday 22nd August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

34
°C maximum temperature
23
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
8
kph wind from NW

Chattanooga weather for Sunday 23rd August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.