UV Index for Grand Rapids, IL

Current Grand Rapids UV Index

2.6 (Low)

Last Updated 35 minutes ago

Hourly Grand Rapids UV Index

The hourly Grand Rapids, IL UV Index forecast for Sunday, July 13th, 2025.

5 Day Hourly Grand Rapids UV Index Forecast

Last Updated 20 hours ago

The UV index forecast for the next five days in Grand Rapids, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Grand Rapids over the next five days will be 9.4 on Monday, July 14th at 1:00 pm.

The UV index forecast for Sunday, July 13th in Grand Rapids, IL is below.

Time UV Index Risk
10am 4.4
Moderate
11am 6.3
High
12pm 7.6
High
1pm 8.2
Very High
2pm 7.1
High
3pm 6.4
High
4pm 4.1
Moderate
5pm 2.4
Low
6pm 0.9
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Grand Rapids, 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 1.4
Low
9am 3
Moderate
10am 5
Moderate
11am 7.2
High
12pm 8.8
Very High
1pm 9.4
Very High
2pm 8.7
Very High
3pm 6.9
High
4pm 4.7
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 Tuesday, July 15th in Grand Rapids, 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 1.4
Low
9am 3
Moderate
10am 5.1
Moderate
11am 7.3
High
12pm 8.7
Very High
1pm 9.4
Very High
2pm 7.7
High
3pm 6.5
High
4pm 4.7
Moderate
5pm 2.4
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 Wednesday, July 16th in Grand Rapids, 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