1.3 (Low)
Last Updated 46 minutes ago
The hourly Granite Hills, CA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 6 hours ago
The UV index forecast for the next five days in Granite Hills, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Granite Hills over the next five days will be 8.6 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in Granite Hills, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 6pm | 0.3 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 17th in Granite Hills, 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 |
Low |
| 8am | 0.6 |
Low |
| 9am | 1.5 |
Low |
| 10am | 3.5 |
Moderate |
| 11am | 3.7 |
Moderate |
| 12pm | 6.3 |
High |
| 1pm | 5.9 |
Moderate |
| 2pm | 5.6 |
Moderate |
| 3pm | 3.1 |
Moderate |
| 4pm | 0.6 |
Low |
| 5pm | 0.2 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Granite Hills, 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 |
Low |
| 8am | 0.6 |
Low |
| 9am | 1.4 |
Low |
| 10am | 2.8 |
Low |
| 11am | 5.9 |
Moderate |
| 12pm | 8.2 |
Very High |
| 1pm | 8.6 |
Very High |
| 2pm | 7.7 |
High |
| 3pm | 5.5 |
Moderate |
| 4pm | 3.3 |
Moderate |
| 5pm | 1.3 |
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 Friday, September 19th in Granite Hills, 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 |
Low |
| 8am | 0.3 |
Low |
| 9am | 0.9 |
Low |
| 10am | 2.2 |
Low |
| 11am | 5.9 |
Moderate |
| 12pm | 6.8 |
High |
| 1pm | 6.8 |
High |
| 2pm | 5.7 |
Moderate |
| 3pm | 5.6 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.3 |
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 Saturday, September 20th in Granite Hills, 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 |