Chattanooga weather live forecast

Today's maximum temperature in Chattanooga is expected to be 93°F. Select a day from the live weather forecast for Chattanooga, Tennessee, USA for more weather parameters.

Thursday
13th Aug
93

75

7

8
Friday
14th Aug
95

79

9

8
Saturday
15th Aug
97

79

8

8
Sunday
16th Aug
99

79

8

8
Monday
17th Aug
99

79

10

9

5-day weather forecast updated at 04:01 on Thursday 13th August 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 Thursday 13th August 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and little or no wind of 4 mph from the west.

93
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
27
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
4
mph wind from W

Chattanooga weather for Friday 14th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the west.

95
°F maximum temperature
79
°F minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
mph wind from W

Chattanooga weather for Saturday 15th August 2026

Expect isolated thunderstorms in Chattanooga, Tennessee with a maximum temperature of 97°F, very high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and little or no wind of 3 mph from the west.

97
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
3
mph wind from W

Chattanooga weather for Sunday 16th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 99°F, very high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

99
°F maximum temperature
79
°F minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
mph wind from S

Chattanooga weather for Monday 17th August 2026

Expect scattered clouds in Chattanooga, Tennessee with a maximum temperature of 99°F, very high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the west.