5 (Moderate)
Last Updated 27 minutes ago
The hourly Fontana, CA UV Index forecast for Friday, May 16th, 2025.
Last Updated 2 days ago
The UV index forecast for the next five days in Fontana, CA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Fontana over the next five days will be 8.1 on Friday, May 16th at 2:00 pm.
The UV index forecast for Friday, May 16th in Fontana, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 11am | 6.6 |
High |
| 12pm | 7.9 |
High |
| 1pm | 7.1 |
High |
| 2pm | 8.1 |
Very High |
| 3pm | 6 |
High |
| 4pm | 4.3 |
Moderate |
| 5pm | 2.1 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, May 17th in Fontana, CA 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 | 0.1 |
Low |
| 8am | 0.5 |
Low |
| 9am | 1.3 |
Low |
| 10am | 3 |
Moderate |
| 11am | 4.4 |
Moderate |
| 12pm | 5.4 |
Moderate |
| 1pm | 5.8 |
Moderate |
| 2pm | 5 |
Moderate |
| 3pm | 3.6 |
Moderate |
| 4pm | 2.6 |
Low |
| 5pm | 1.5 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, May 18th in Fontana, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |