Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 18°C. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Tuesday
23rd Dec
18

11

3

1
Wednesday
24th Dec
20

12

4

2
Thursday
25th Dec
21

12

2

1
Friday
26th Dec
21

14

2

1
Saturday
27th Dec
22

15

4

2

5-day weather forecast updated at 04:01 on Tuesday 23rd 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 Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Chattanooga, Tennessee with a maximum temperature of 18°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a gentle breeze of 14 kph from the south.

18
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
5
% chance of some rain
<2
mm of rainfall expected
18
°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 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-west.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
20
°C wind chill
5
kph wind from SW

Chattanooga weather for Thursday 25th December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 21°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Chattanooga weather for Friday 26th December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 21°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
21
°C wind chill
16
kph wind from SW

Chattanooga weather for Saturday 27th December 2025

Expect broken clouds in Chattanooga, Tennessee with a maximum temperature of 22°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.