Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 30°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Wednesday
17th Jun
30

19

11

9
Thursday
18th Jun
26

21

3

6
Friday
19th Jun
27

20

5

6
Saturday
20th Jun
30

19

13

10
Sunday
21st Jun
30

20

4

7

5-day weather forecast updated at 04:01 on Wednesday 17th June 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 17th June 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

30
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from S

Chattanooga weather for Thursday 18th June 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 16 kph from the south.

26
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
71
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
16
kph wind from S

Chattanooga weather for Friday 19th June 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a light breeze of 8 kph from the north-west.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
66
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
8
kph wind from NW

Chattanooga weather for Saturday 20th June 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

30
°C maximum temperature
19
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from N

Chattanooga weather for Sunday 21st June 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 14 kph from the south.