UV Index for Grand Rapids, WI

Current Grand Rapids UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly Grand Rapids UV Index

The hourly Grand Rapids, WI UV Index forecast for Monday, October 27th, 2025.

5 Day Hourly Grand Rapids UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Grand Rapids, WI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grand Rapids over the next five days will be 3 on Monday, October 27th at 1:00 pm.

The UV index forecast for Monday, October 27th in Grand Rapids, WI is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.3
Low
10am 1
Low
11am 1.8
Low
12pm 2.6
Low
1pm 3
Moderate
2pm 2.6
Low
3pm 1.8
Low
4pm 1
Low
5pm 0.3
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, October 28th in Grand Rapids, WI 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
Low
9am 0
Low
10am 0.2
Low
11am 0.2
Low
12pm 0.5
Low
1pm 0.4
Low
2pm 0.2
Low
3pm 0.2
Low
4pm 0.1
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 29th in Grand Rapids, WI 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
Low
9am 0.3
Low
10am 0.8
Low
11am 1.6
Low
12pm 2.2
Low
1pm 2.5
Low
2pm 2.3
Low
3pm 1.6
Low
4pm 0.8
Low
5pm 0.3
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 30th in Grand Rapids, WI 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