Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 29°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Monday
18th May
29

20

9

8
Tuesday
19th May
29

19

7

9
Wednesday
20th May
28

19

7

6
Thursday
21st May
25

19

1

5
Friday
22nd May
25

18

2

8

5-day weather forecast updated at 04:01 on Monday 18th May 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 Monday 18th May 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 17 kph from the south.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from S

Chattanooga weather for Tuesday 19th May 2026

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

29
°C maximum temperature
19
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from S

Chattanooga weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 70% chance of some rain and a light breeze of 7 kph from the south.

28
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
70
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
7
kph wind from S

Chattanooga weather for Thursday 21st May 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and little or no wind of 5 kph from the north.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
80
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Chattanooga weather for Friday 22nd May 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 13 kph from the south.