8.2 (Very High)
Last Updated 22 minutes ago
The hourly Fountain Hills, AZ UV Index forecast for Sunday, August 31st, 2025.
Last Updated 21 minutes ago
The UV index forecast for the next five days in Fountain Hills, AZ has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Fountain Hills over the next five days will be 9.6 on Sunday, August 31st at 12:00 pm.
The UV index forecast for Sunday, August 31st in Fountain Hills, AZ is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 9.6 |
Very High |
| 1pm | 9.5 |
Very High |
| 2pm | 8 |
Very High |
| 3pm | 5.6 |
Moderate |
| 4pm | 3.1 |
Moderate |
| 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 Monday, September 1st in Fountain Hills, 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 |
Low |
| 7am | 0.3 |
Low |
| 8am | 1.3 |
Low |
| 9am | 3.2 |
Moderate |
| 10am | 5.7 |
Moderate |
| 11am | 8 |
Very High |
| 12pm | 9.2 |
Very High |
| 1pm | 9 |
Very High |
| 2pm | 7.7 |
High |
| 3pm | 5.3 |
Moderate |
| 4pm | 2.6 |
Low |
| 5pm | 1.1 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, September 2nd in Fountain Hills, 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 |
Low |
| 7am | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.2 |
Moderate |
| 11am | 6.2 |
High |
| 12pm | 7.6 |
High |
| 1pm | 5.8 |
Moderate |
| 2pm | 3.3 |
Moderate |
| 3pm | 3.5 |
Moderate |
| 4pm | 2.5 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 3rd in Fountain Hills, 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 |
Low |
| 7am | 0.3 |
Low |
| 8am | 1.3 |
Low |
| 9am | 3.2 |
Moderate |
| 10am | 5.7 |
Moderate |
| 11am | 8 |
Very High |
| 12pm | 9.4 |
Very High |
| 1pm | 9.4 |
Very High |
| 2pm | 7.9 |
High |
| 3pm | 5.5 |
Moderate |
| 4pm | 3 |
Moderate |
| 5pm | 1.2 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 4th in Fountain Hills, 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 |