Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 33°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Wednesday
12th Aug
33

24

7

8
Thursday
13th Aug
34

24

8

8
Friday
14th Aug
36

25

9

8
Saturday
15th Aug
37

26

7

8
Sunday
16th Aug
36

26

11

9

5-day weather forecast updated at 04:01 on Wednesday 12th August 2026 GMT

More about Chattanooga

Chattanooga by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Tennessee

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

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 12th 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 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 9 kph from the west.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
40
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
9
kph wind from W

Chattanooga weather for Thursday 13th 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 7 kph from the west.

34
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
7
kph wind from W

Chattanooga weather for Friday 14th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

36
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
kph wind from W

Chattanooga weather for Saturday 15th August 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and little or no wind of 5 kph from the north.

37
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
5
kph wind from N

Chattanooga weather for Sunday 16th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.