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.

Saturday
20th Jun
31

17

9

9
Sunday
21st Jun
31

18

8

9
Monday
22nd Jun
28

21

3

8
Tuesday
23rd Jun
29

20

7

8
Wednesday
24th Jun
29

19

10

9

5-day weather forecast updated at 04:01 on Saturday 20th June 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 Saturday 20th June 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the west.

31
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from W

Knoxville weather for Sunday 21st June 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the south-west.

31
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
40
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SW

Knoxville weather for Monday 22nd June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 94% chance of some rain and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
94
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

Knoxville weather for Tuesday 23rd June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 29°C, moderate 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 56% chance of some rain and a light breeze of 10 kph from the north.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from N

Knoxville weather for Wednesday 24th June 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.