Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 86°F. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Thursday
18th Jun
86

70

5

8
Friday
19th Jun
84

68

5

8
Saturday
20th Jun
88

64

12

10
Sunday
21st Jun
90

66

8

7
Monday
22nd Jun
84

70

3

7

5-day weather forecast updated at 04:01 on Thursday 18th June 2026 GMT

More about Knoxville

Knoxville by month

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

Recommended for Tennessee

British Airways: The Original Sale is now on

Sale

Save on holidays & flights worldwide in the BA sale
Explore trips to Europe, USA, Caribbean & beyond
Including New York, Los Angeles, Florida, Barbados & Dubai

Go to British Airways deal >>

Expires at 23:59 on Thursday 25th Jun 2026 · View all British Airways 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 Thursday 18th June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 13 mph from the south-west.

86
°F maximum temperature
70
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
79
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from SW

Knoxville weather for Friday 19th June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a light breeze of 6 mph from the north-west.

84
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
45
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from NW

Knoxville weather for Saturday 20th June 2026

Expect scattered clouds in Knoxville, Tennessee with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the north-east.

88
°F maximum temperature
64
°F minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
3
mph wind from NE

Knoxville weather for Sunday 21st June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a light breeze of 7 mph from the south-west.

90
°F maximum temperature
66
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
63
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from SW

Knoxville weather for Monday 22nd June 2026

Expect isolated thunderstorms in Knoxville, Tennessee with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 10 mph from the south-west.