Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 34°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Sunday
20th Sep
34

21

8

7
Monday
21st Sep
33

23

5

7
Tuesday
22nd Sep
31

22

4

5
Wednesday
23rd Sep
28

21

2

2
Thursday
24th Sep
26

20

5

7

5-day weather forecast updated at 04:01 on Sunday 20th September 2026 GMT

More about Chattanooga

Chattanooga by month

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

Recommended for Tennessee

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Sunday 20th September 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and little or no wind of 5 kph from the south.

34
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
47
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
5
kph wind from S

Chattanooga weather for Monday 21st September 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and little or no wind of 5 kph from the south.

33
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
64
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
5
kph wind from S

Chattanooga weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and little or no wind of 6 kph from the north.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
79
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from N

Chattanooga weather for Wednesday 23rd September 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and little or no wind of 6 kph from the north.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
73
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
kph wind from N

Chattanooga weather for Thursday 24th September 2026

Expect mostly cloudy with light rain in Chattanooga, Tennessee with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and little or no wind of 5 kph from the north-east.