UV Index for Knoxville, IA

Current Knoxville UV Index

0 (Low)

Last Updated 22 minutes ago

Hourly Knoxville UV Index

The hourly Knoxville, IA UV Index forecast for Friday, August 29th, 2025.

5 Day Hourly Knoxville UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in Knoxville, IA 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 7.1 on Friday, August 29th at 1:00 pm.

The UV index forecast for Friday, August 29th in Knoxville, IA is below.

Time UV Index Risk
8am 0.4
Low
9am 1.4
Low
10am 3
Moderate
11am 4.8
Moderate
12pm 6.5
High
1pm 7.1
High
2pm 6
High
3pm 3.9
Moderate
4pm 3.7
Moderate
5pm 2
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, August 30th in Knoxville, IA 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 1.3
Low
10am 2.7
Low
11am 4.6
Moderate
12pm 5.7
Moderate
1pm 5.9
Moderate
2pm 4.4
Moderate
3pm 3.2
Moderate
4pm 1.9
Low
5pm 0.8
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 31st in Knoxville, IA 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 0.3
Low
10am 0.9
Low
11am 1.9
Low
12pm 1.4
Low
1pm 1
Low
2pm 2.6
Low
3pm 2.3
Low
4pm 2.7
Low
5pm 1.7
Low
6pm 0.7
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 1st in Knoxville, IA 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