Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 30°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Tuesday
25th Aug
30

17

9

8
Wednesday
26th Aug
31

18

6

8
Thursday
27th Aug
31

20

6

7
Friday
28th Aug
28

20

7

7
Saturday
29th Aug
31

19

12

8

5-day weather forecast updated at 04:01 on Tuesday 25th 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 Tuesday 25th August 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 30°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 little or no wind of 5 kph from the north-east.

30
°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
5
kph wind from NE

Knoxville weather for Wednesday 26th August 2026

Expect broken clouds in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

31
°C maximum temperature
18
°C minimum temperature
broken clouds
6
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 broken clouds in Knoxville, Tennessee with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-west.

31
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SW

Knoxville weather for Friday 28th August 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and little or no wind of 5 kph from the north-east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
45
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from NE

Knoxville weather for Saturday 29th 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 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.