UV Index for Chester, IL

Current Chester UV Index

2 (Low)

Last Updated 42 minutes ago

Hourly Chester UV Index

The hourly Chester, IL UV Index forecast for Tuesday, October 14th, 2025.

5 Day Hourly Chester UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in Chester, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Chester over the next five days will be 5.6 on Tuesday, October 14th at 1:00 pm.

The UV index forecast for Tuesday, October 14th in Chester, IL is below.

Time UV Index Risk
11am 3.7
Moderate
12pm 5.1
Moderate
1pm 5.6
Moderate
2pm 5.1
Moderate
3pm 3.7
Moderate
4pm 2.1
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 Wednesday, October 15th in Chester, 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
8am 0.1
Low
9am 0.8
Low
10am 2
Low
11am 3.6
Moderate
12pm 5
Moderate
1pm 5.6
Moderate
2pm 5
Moderate
3pm 3.6
Moderate
4pm 2
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 Thursday, October 16th in Chester, 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
8am 0.1
Low
9am 0.8
Low
10am 2
Low
11am 3.6
Moderate
12pm 4.9
Moderate
1pm 5.4
Moderate
2pm 5
Moderate
3pm 3.6
Moderate
4pm 2
Low
5pm 0.8
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 17th in Chester, 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