Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 32°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Wednesday
26th Aug
32

17

9

8
Thursday
27th Aug
30

20

6

8
Friday
28th Aug
28

20

4

6
Saturday
29th Aug
31

19

7

7
Sunday
30th Aug
31

20

7

8

5-day weather forecast updated at 04:01 on Wednesday 26th 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 Wednesday 26th August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

32
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Knoxville weather for Thursday 27th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a light breeze of 7 kph from the south-west.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
81
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from SW

Knoxville weather for Friday 28th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a light breeze of 7 kph from the north-east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
54
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
7
kph wind from NE

Knoxville weather for Saturday 29th August 2026

Expect broken clouds in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

31
°C maximum temperature
19
°C minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from NE

Knoxville weather for Sunday 30th August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.