Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 33°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Thursday
16th Jul
33

23

8

8
Friday
17th Jul
31

23

6

5
Saturday
18th Jul
30

22

5

5
Sunday
19th Jul
31

22

5

6
Monday
20th Jul
34

21

7

10

5-day weather forecast updated at 04:01 on Thursday 16th July 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 Thursday 16th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 33°C, 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 51% chance of some rain and little or no wind of 5 kph from the south-west.

33
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
51
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
5
kph wind from SW

Knoxville weather for Friday 17th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and little or no wind of 5 kph from the south-west.

31
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
73
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from SW

Knoxville weather for Saturday 18th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a light breeze of 9 kph from the south-west.

30
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
89
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Knoxville weather for Sunday 19th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a light breeze of 7 kph from the south-west.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
82
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from SW

Knoxville weather for Monday 20th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 8 kph from the west.