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Last Updated 39 minutes ago
The hourly Boulder, UT UV Index forecast for Sunday, October 19th, 2025.
Last Updated 17 hours ago
The UV index forecast for the next five days in Boulder, UT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Boulder over the next five days will be 5 on Sunday, October 19th at 1:00 pm.
The UV index forecast for Sunday, October 19th in Boulder, UT is below.
Time | UV Index | Risk |
---|---|---|
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0 |
Low |
9am | 0.4 |
Low |
10am | 1.3 |
Low |
11am | 2.6 |
Low |
12pm | 4 |
Moderate |
1pm | 5 |
Moderate |
2pm | 4.9 |
Moderate |
3pm | 3.8 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Monday, October 20th in Boulder, UT 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 | 0.4 |
Low |
10am | 1.2 |
Low |
11am | 2.6 |
Low |
12pm | 4.1 |
Moderate |
1pm | 4.8 |
Moderate |
2pm | 4.8 |
Moderate |
3pm | 3.9 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Tuesday, October 21st in Boulder, UT 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 | 0.4 |
Low |
10am | 1.2 |
Low |
11am | 2.6 |
Low |
12pm | 4.1 |
Moderate |
1pm | 5 |
Moderate |
2pm | 5 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.5 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, October 22nd in Boulder, UT 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 |