Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 14°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Saturday
20th Dec
14

0

10

3
Sunday
21st Dec
14

4

5

3
Monday
22nd Dec
14

1

6

3
Tuesday
23rd Dec
14

7

2

2
Wednesday
24th Dec
20

10

5

2

5-day weather forecast updated at 04:01 on Saturday 20th December 2025 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 Saturday 20th December 2025

Expect clear skies in Chattanooga, Tennessee with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

14
°C maximum temperature
0
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Chattanooga weather for Sunday 21st December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

14
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from NE

Chattanooga weather for Monday 22nd December 2025

Expect sunshine and showers in Chattanooga, Tennessee with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 15 kph from the south.

14
°C maximum temperature
1
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
15
kph wind from S

Chattanooga weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Chattanooga, Tennessee with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 14 kph from the south.

14
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
14
kph wind from S

Chattanooga weather for Wednesday 24th December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 20°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.