Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 29°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Wednesday
27th May
29

20

6

7
Thursday
28th May
28

20

5

4
Friday
29th May
27

19

1

7
Saturday
30th May
27

19

6

8
Sunday
31st May
27

17

11

8

5-day weather forecast updated at 04:01 on Wednesday 27th May 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 Wednesday 27th May 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a light breeze of 12 kph from the south-west.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
69
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SW

Knoxville weather for Thursday 28th May 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a light breeze of 7 kph from the south-west.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
76
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
7
kph wind from SW

Knoxville weather for Friday 29th May 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 67% chance of some rain and a light breeze of 7 kph from the north-east.

27
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
7
UV index (High)
67
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
7
kph wind from NE

Knoxville weather for Saturday 30th May 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a light breeze of 7 kph from the north-east.

27
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
62
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
7
kph wind from NE

Knoxville weather for Sunday 31st May 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a light breeze of 10 kph from the north-east.