UV Index for McHenry, IL

Current McHenry UV Index

5.1 (Moderate)

Last Updated 19 minutes ago

Hourly McHenry UV Index

The hourly McHenry, IL UV Index forecast for Tuesday, July 1st, 2025.

5 Day Hourly McHenry UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in McHenry, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in McHenry over the next five days will be 10 on Wednesday, July 2nd at 1:00 pm.

The UV index forecast for Tuesday, July 1st in McHenry, IL is below.

Time UV Index Risk
11am 7
High
12pm 8.4
Very High
1pm 9
Very High
2pm 8.4
Very High
3pm 6.8
High
4pm 4.8
Moderate
5pm 2.8
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 McHenry, 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 3.3
Moderate
10am 5.5
Moderate
11am 7.9
High
12pm 9.4
Very High
1pm 10
Very High
2pm 9.3
Very High
3pm 7.6
High
4pm 3.9
Moderate
5pm 0.7
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 Thursday, July 3rd in McHenry, 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 1.7
Low
9am 3.5
Moderate
10am 5.4
Moderate
11am 7
High
12pm 6.5
High
1pm 6.5
High
2pm 6
High
3pm 6.4
High
4pm 5.2
Moderate
5pm 3
Moderate
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 Friday, July 4th in McHenry, 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