4.2 (Moderate)
Last Updated 38 minutes ago
The hourly San Tan Valley, AZ UV Index forecast for Friday, July 18th, 2025.
Last Updated 5 hours ago
The UV index forecast for the next five days in San Tan Valley, AZ has 3 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in San Tan Valley over the next five days will be 11.4 on Saturday, July 19th at 12:00 pm.
The UV index forecast for Friday, July 18th in San Tan Valley, 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 San Tan Valley, 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 | 4.5 |
Moderate |
| 10am | 7.3 |
High |
| 11am | 10 |
Very High |
| 12pm | 11.4 |
Extreme |
| 1pm | 11.2 |
Extreme |
| 2pm | 9.7 |
Very High |
| 3pm | 7.1 |
High |
| 4pm | 4.3 |
Moderate |
| 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 Sunday, July 20th in San Tan Valley, 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 | 3 |
Moderate |
| 10am | 6.6 |
High |
| 11am | 3.5 |
Moderate |
| 12pm | 2.2 |
Low |
| 1pm | 8.1 |
Very High |
| 2pm | 6.1 |
High |
| 3pm | 7.1 |
High |
| 4pm | 4.4 |
Moderate |
| 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 Monday, July 21st in San Tan Valley, 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 | 0.6 |
Low |
| 8am | 2 |
Low |
| 9am | 4.1 |
Moderate |
| 10am | 7.2 |
High |
| 11am | 9.8 |
Very High |
| 12pm | 11.4 |
Extreme |
| 1pm | 9.7 |
Very High |
| 2pm | 2.6 |
Low |
| 3pm | 2 |
Low |
| 4pm | 2.1 |
Low |
| 5pm | 1.2 |
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, July 22nd in San Tan Valley, 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 |