UV Index for Joliet, IL

Current Joliet UV Index

5.6 (Moderate)

Last Updated 3 minutes ago

Hourly Joliet UV Index

The hourly Joliet, IL UV Index forecast for Sunday, June 29th, 2025.

5 Day Hourly Joliet UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in Joliet, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Joliet over the next five days will be 9.8 on Sunday, June 29th at 1:00 pm.

The UV index forecast for Sunday, June 29th in Joliet, IL is below.

Time UV Index Risk
11am 7.8
High
12pm 9.4
Very High
1pm 9.8
Very High
2pm 9.1
Very High
3pm 7.3
High
4pm 5
Moderate
5pm 2.9
Low
6pm 1.4
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, June 30th in Joliet, IL 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 0.1
Low
7am 0.6
Low
8am 1.6
Low
9am 3.4
Moderate
10am 5.6
Moderate
11am 7.7
High
12pm 9.2
Very High
1pm 9.6
Very High
2pm 8.8
Very High
3pm 7.3
High
4pm 5
Moderate
5pm 2.1
Low
6pm 0.8
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 1st in Joliet, IL 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 0.1
Low
7am 0.6
Low
8am 1.5
Low
9am 3.2
Moderate
10am 5.3
Moderate
11am 7.4
High
12pm 8.9
Very High
1pm 9.4
Very High
2pm 8.7
Very High
3pm 7.1
High
4pm 4.9
Moderate
5pm 2.9
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 2nd in Joliet, IL 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 0.1
Low
7am 0.6
Low