UV Index for Boulder, WY

Current Boulder UV Index

0 (Low)

Last Updated 49 minutes ago

Hourly Boulder UV Index

The hourly Boulder, WY UV Index forecast for Thursday, May 1st, 2025.

5 Day Hourly Boulder UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Boulder, WY has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Boulder over the next five days will be 8.9 on Friday, May 2nd at 1:00 pm.

The UV index forecast for Thursday, May 1st in Boulder, WY is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.7
Low
9am 1.8
Low
10am 3.6
Moderate
11am 5.6
Moderate
12pm 7.4
High
1pm 8.3
Very High
2pm 8.1
Very High
3pm 6.9
High
4pm 5
Moderate
5pm 3
Moderate
6pm 1.4
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, May 2nd in Boulder, WY 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
Low
10am 3.8
Moderate
11am 6
High
12pm 7.9
High
1pm 8.9
Very High
2pm 8.6
Very High
3pm 7.3
High
4pm 5.3
Moderate
5pm 3.2
Moderate
6pm 1.5
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, May 3rd in Boulder, WY 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 0.8
Low
9am 2
Low
10am 3.8
Moderate
11am 5.9
Moderate
12pm 7.7
High
1pm 8.6
Very High
2pm 8.3
Very High
3pm 7
High
4pm 5.1
Moderate
5pm 3
Moderate
6pm 1.4
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, May 4th in Boulder, WY 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