4.4 (Moderate)
Last Updated 2 minutes ago
The hourly Tucson, AZ UV Index forecast for Friday, July 18th, 2025.
Last Updated 5 hours ago
The UV index forecast for the next five days in Tucson, AZ has 4 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Tucson over the next five days will be 12.2 on Sunday, July 20th at 12:00 pm.
The UV index forecast for Friday, July 18th in Tucson, AZ is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 2 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, July 19th in Tucson, AZ 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 | 0.8 |
Low |
| 8am | 2.4 |
Low |
| 9am | 4.9 |
Moderate |
| 10am | 7.9 |
High |
| 11am | 10.5 |
Very High |
| 12pm | 11.9 |
Extreme |
| 1pm | 11.7 |
Extreme |
| 2pm | 10 |
Very High |
| 3pm | 7.3 |
High |
| 4pm | 4.3 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.5 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, July 20th in Tucson, AZ 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 | 0.7 |
Low |
| 8am | 0.4 |
Low |
| 9am | 1 |
Low |
| 10am | 5.1 |
Moderate |
| 11am | 10.3 |
Very High |
| 12pm | 12.2 |
Extreme |
| 1pm | 12 |
Extreme |
| 2pm | 10.1 |
Very High |
| 3pm | 6.8 |
High |
| 4pm | 1.4 |
Low |
| 5pm | 0.7 |
Low |
| 6pm | 0.4 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, July 21st in Tucson, AZ 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 | 0.7 |
Low |
| 8am | 2.1 |
Low |
| 9am | 4.4 |
Moderate |
| 10am | 6.9 |
High |
| 11am | 9.9 |
Very High |
| 12pm | 11.7 |
Extreme |
| 1pm | 11.6 |
Extreme |
| 2pm | 5.8 |
Moderate |
| 3pm | 0.9 |
Low |
| 4pm | 3.6 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.5 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 22nd in Tucson, AZ is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |