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.

Sunday
9th Aug
33

21

5

8
Monday
10th Aug
32

22

8

6
Tuesday
11th Aug
33

22

8

6
Wednesday
12th Aug
33

22

5

7
Thursday
13th Aug
32

23

7

6

5-day weather forecast updated at 04:01 on Sunday 9th 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 Sunday 9th August 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and little or no wind of 5 kph from the south-west.

33
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
30
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
5
kph wind from SW

Knoxville weather for Monday 10th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a light breeze of 10 kph from the south-west.

32
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
51
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
10
kph wind from SW

Knoxville weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a light breeze of 11 kph from the south-west.

33
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
56
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
11
kph wind from SW

Knoxville weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a light breeze of 11 kph from the south-west.

33
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
63
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
11
kph wind from SW

Knoxville weather for Thursday 13th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a light breeze of 12 kph from the south-west.