5.2 (Moderate)
Last Updated 59 minutes ago
The hourly Aspen, CO UV Index forecast for Friday, July 18th, 2025.
Last Updated 4 hours ago
The UV index forecast for the next five days in Aspen, CO has 1 day reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Aspen over the next five days will be 12.1 on Saturday, July 19th at 1:00 pm.
The UV index forecast for Friday, July 18th in Aspen, CO is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 3.4 |
Moderate |
| 6pm | 1.5 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, July 19th in Aspen, CO 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 | 3.3 |
Moderate |
| 10am | 6.1 |
High |
| 11am | 9 |
Very High |
| 12pm | 11.2 |
Extreme |
| 1pm | 12.1 |
Extreme |
| 2pm | 11.2 |
Extreme |
| 3pm | 8.1 |
Very High |
| 4pm | 5.8 |
Moderate |
| 5pm | 2.6 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.3 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, July 20th in Aspen, CO 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 | 3.4 |
Moderate |
| 10am | 6 |
High |
| 11am | 8.9 |
Very High |
| 12pm | 10.4 |
Very High |
| 1pm | 9.6 |
Very High |
| 2pm | 10.6 |
Very High |
| 3pm | 8.8 |
Very High |
| 4pm | 5.4 |
Moderate |
| 5pm | 2.8 |
Low |
| 6pm | 1.5 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, July 21st in Aspen, CO 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 | 3.2 |
Moderate |
| 10am | 6 |
High |
| 11am | 8.5 |
Very High |
| 12pm | 9.9 |
Very High |
| 1pm | 8.5 |
Very High |
| 2pm | 6.3 |
High |
| 3pm | 7.6 |
High |
| 4pm | 3.5 |
Moderate |
| 5pm | 3.6 |
Moderate |
| 6pm | 1.1 |
Low |
| 7pm | 0.5 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 22nd in Aspen, CO 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 |