UV Index for Keystone, WI

Current Keystone UV Index

0.1 (Low)

Last Updated 57 minutes ago

Hourly Keystone UV Index

The hourly Keystone, WI UV Index forecast for Tuesday, July 1st, 2025.

5 Day Hourly Keystone UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Keystone, WI has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Keystone over the next five days will be 9.3 on Friday, July 4th at 1:00 pm.

The UV index forecast for Tuesday, July 1st in Keystone, WI is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 2nd in Keystone, 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 0.1
Low
7am 0.5
Low
8am 1.4
Low
9am 2.8
Low
10am 4.8
Moderate
11am 6.7
High
12pm 8.2
Very High
1pm 8.6
Very High
2pm 8.3
Very High
3pm 7
High
4pm 4.3
Moderate
5pm 0.5
Low
6pm 0.9
Low
7pm 0.7
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 3rd in Keystone, 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 0.1
Low
7am 0.5
Low
8am 1.4
Low
9am 2.9
Low
10am 4.9
Moderate
11am 6.9
High
12pm 7.8
High
1pm 8.9
Very High
2pm 7.6
High
3pm 3
Moderate
4pm 5.2
Moderate
5pm 3.1
Moderate
6pm 1.6
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in Keystone, 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 0.1
Low
7am 0.5
Low
8am 1.4
Low
9am 2.9
Low
10am 4.6
Moderate
11am 6.1
High
12pm 7.8
High
1pm 9.3
Very High
2pm 9
Very High
3pm 7.4
High
4pm 5.5
Moderate
5pm 3.2
Moderate
6pm 1.7
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 5th in Keystone, 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 0.1
Low