UV Index for Clayton, IL

Current Clayton UV Index

1.6 (Low)

Last Updated 20 minutes ago

Hourly Clayton UV Index

The hourly Clayton, IL UV Index forecast for Saturday, July 5th, 2025.

5 Day Hourly Clayton UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Clayton, IL has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Clayton over the next five days will be 10.4 on Saturday, July 5th at 1:00 pm.

The UV index forecast for Saturday, July 5th in Clayton, IL is below.

Time UV Index Risk
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 6th in Clayton, 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
Low
7am 0.2
Low
8am 0.7
Low
9am 2.6
Low
10am 4.3
Moderate
11am 5.3
Moderate
12pm 8.3
Very High
1pm 7.3
High
2pm 6.7
High
3pm 6.4
High
4pm 4.1
Moderate
5pm 2.7
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 7th in Clayton, 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
Low
7am 0.4
Low
8am 1.2
Low
9am 2.7
Low
10am 4
Moderate
11am 4.2
Moderate
12pm 8.1
Very High
1pm 8.8
Very High
2pm 8.2
Very High
3pm 7.2
High
4pm 5.4
Moderate
5pm 3.1
Moderate
6pm 0.8
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 8th in Clayton, 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
Low
7am 0.4
Low
8am 1.3
Low
9am 3
Moderate
10am 5.2
Moderate
11am 7.5
High
12pm 9.4
Very High
1pm 10
Very High
2pm 9.5
Very High
3pm 7.9
High
4pm 5.6
Moderate
5pm 3.2
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 9th in Clayton, 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
Low
7am 0
Low