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.

Saturday
29th Aug
33

21

11

7
Sunday
30th Aug
32

21

9

8
Monday
31st Aug
34

22

9

8
Tuesday
1st Sep
35

22

11

8
Wednesday
2nd Sep
35

22

8

8

5-day weather forecast updated at 04:01 on Saturday 29th August 2026 GMT

More about Knoxville

Knoxville by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Tennessee

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

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 29th August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

33
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
5
kph wind from NE

Knoxville weather for Sunday 30th August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.

32
°C maximum temperature
21
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from SW

Knoxville weather for Monday 31st August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.

34
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from SW

Knoxville weather for Tuesday 1st September 2026

Expect clear skies in Knoxville, Tennessee with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.

35
°C maximum temperature
22
°C minimum temperature
clear skies
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from SW

Knoxville weather for Wednesday 2nd September 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.