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.

Monday
20th Jul
33

23

8

10
Tuesday
21st Jul
33

23

8

7
Wednesday
22nd Jul
30

23

3

6
Thursday
23rd Jul
30

22

4

6
Friday
24th Jul
31

21

3

10

5-day weather forecast updated at 04:01 on Monday 20th 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 Monday 20th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 8 kph from the south-west.

33
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
36
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
8
kph wind from SW

Knoxville weather for Tuesday 21st July 2026

Expect broken clouds in Knoxville, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

33
°C maximum temperature
23
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
15
kph wind from SW

Knoxville weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a light breeze of 11 kph from the south-west.

30
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
91
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SW

Knoxville weather for Thursday 23rd July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and little or no wind of 6 kph from the north-east.

30
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
24
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from NE

Knoxville weather for Friday 24th July 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 37% chance of some rain and little or no wind of 6 kph from the north-east.