Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 31°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Tuesday
4th Aug
31

22

8

8
Wednesday
5th Aug
29

21

5

7
Thursday
6th Aug
31

21

5

7
Friday
7th Aug
30

22

7

8
Saturday
8th Aug
31

22

5

9

5-day weather forecast updated at 04:01 on Tuesday 4th August 2026 GMT

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The 5-day weather forecast for Tennessee (Knoxville) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Knoxville weather forecast by day

Below are the detailed weather forecasts for Knoxville for the next 5 days.

Knoxville weather for Tuesday 4th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and little or no wind of 6 kph from the north-east.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from NE

Knoxville weather for Wednesday 5th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and little or no wind of 5 kph from the south-west.

29
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
77
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from SW

Knoxville weather for Thursday 6th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a light breeze of 8 kph from the south-west.

31
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
60
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SW

Knoxville weather for Friday 7th August 2026

Expect broken clouds in Knoxville, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

30
°C maximum temperature
22
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from SW

Knoxville weather for Saturday 8th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and little or no wind of 6 kph from the south-west.