Knoxville weather live forecast

Today's maximum temperature in Knoxville is expected to be 20°C. Select a day from the live weather forecast for Knoxville, Tennessee, USA for more weather parameters.

Friday
26th Dec
20

15

2

1
Saturday
27th Dec
22

14

4

2
Sunday
28th Dec
22

14

4

1
Monday
29th Dec
17

-4

9

2
Tuesday
30th Dec
3

-6

10

2

5-day weather forecast updated at 04:01 on Thursday 25th December 2025 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 Friday 26th December 2025

Expect mostly cloudy with light rain in Knoxville, Tennessee with a maximum temperature of 20°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 17 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
53
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Knoxville weather for Saturday 27th December 2025

Expect sunshine and showers in Knoxville, Tennessee with a maximum temperature of 22°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a light breeze of 10 kph from the south-west.

22
°C maximum temperature
14
°C minimum temperature
sunshine and showers
4
hours of sunshine
2
UV index (Low)
9
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
10
kph wind from SW

Knoxville weather for Sunday 28th December 2025

Expect mostly cloudy with light rain in Knoxville, Tennessee with a maximum temperature of 22°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 20 kph from the south-west.

22
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
41
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
20
kph wind from SW

Knoxville weather for Monday 29th December 2025

Expect sunshine and showers in Knoxville, Tennessee with a maximum temperature of 17°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 10-20 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 20 kph from the west.

17
°C maximum temperature
-4
°C minimum temperature
sunshine and showers
9
hours of sunshine
2
UV index (Low)
53
% chance of some rain
<20
mm of rainfall expected
17
°C wind chill
20
kph wind from W

Knoxville weather for Tuesday 30th December 2025

Expect clear skies in Knoxville, Tennessee with a maximum temperature of 3°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.