UV Index for Knoxville, TN

Current Knoxville UV Index

0 (Low)

Last Updated 12 minutes ago

Hourly Knoxville UV Index

The hourly Knoxville, TN UV Index forecast for Friday, April 25th, 2025.

5 Day Hourly Knoxville UV Index Forecast

Last Updated 6 hours ago

The UV index forecast for the next five days in Knoxville, TN has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Knoxville over the next five days will be 8.6 on Monday, April 28th at 3:00 pm.

The UV index forecast for Friday, April 25th in Knoxville, TN is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 26th in Knoxville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.1
Low
9am 0.5
Low
10am 1.2
Low
11am 1.5
Low
12pm 3.6
Moderate
1pm 3
Moderate
2pm 3.8
Moderate
3pm 4.4
Moderate
4pm 5.4
Moderate
5pm 2.4
Low
6pm 0.5
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, April 27th in Knoxville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.4
Low
9am 0.9
Low
10am 2.2
Low
11am 3
Moderate
12pm 4.1
Moderate
1pm 4
Moderate
2pm 3.3
Moderate
3pm 2.7
Low
4pm 2.3
Low
5pm 2
Low
6pm 0.7
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, April 28th in Knoxville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.4
Low
9am 1.4
Low
10am 3.3
Moderate
11am 5.8
Moderate
12pm 8
Very High
1pm 6.4
High
2pm 8.1
Very High
3pm 8.6
Very High
4pm 5.8
Moderate
5pm 2.4
Low
6pm 1.5
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, April 29th in Knoxville, TN is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.4
Low