Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 41°F. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Monday
15th Dec
41

18

10

2
Tuesday
16th Dec
54

27

10

3
Wednesday
17th Dec
55

30

4

2
Thursday
18th Dec
59

39

0

2
Friday
19th Dec
46

30

9

1

5-day weather forecast updated at 04:01 on Monday 15th 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 Monday 15th December 2025

Expect clear skies in Chattanooga, Tennessee with a maximum temperature of 41°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

41
°F maximum temperature
18
°F minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
9
mph wind from NE

Chattanooga weather for Tuesday 16th December 2025

Expect clear skies in Chattanooga, Tennessee with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

54
°F maximum temperature
27
°F minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
54
°F wind chill
6
mph wind from S

Chattanooga weather for Wednesday 17th December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 55°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south.

55
°F maximum temperature
30
°F minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
4
mph wind from S

Chattanooga weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Chattanooga, Tennessee with a maximum temperature of 59°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 12 mph from the south.

59
°F maximum temperature
39
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
87
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
12
mph wind from S

Chattanooga weather for Friday 19th December 2025

Expect sunshine and showers in Chattanooga, Tennessee with a maximum temperature of 46°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a light breeze of 7 mph from the north-west.