10.4 (Very High)
Last Updated 5 minutes ago
The hourly Irvine, CA UV Index forecast for Tuesday, August 19th, 2025.
Last Updated 2 hours ago
The UV index forecast for the next five days in Irvine, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Irvine over the next five days will be 10.4 on Tuesday, August 19th at 1:00 pm.
The UV index forecast for Tuesday, August 19th in Irvine, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 9.4 |
Very High |
| 3pm | 7.2 |
High |
| 4pm | 4.6 |
Moderate |
| 5pm | 2.2 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, August 20th in Irvine, 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 | 0.2 |
Low |
| 8am | 1 |
Low |
| 9am | 2.7 |
Low |
| 10am | 5.2 |
Moderate |
| 11am | 7.7 |
High |
| 12pm | 9.3 |
Very High |
| 1pm | 9.6 |
Very High |
| 2pm | 9.1 |
Very High |
| 3pm | 6.9 |
High |
| 4pm | 4.3 |
Moderate |
| 5pm | 2 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, August 21st in Irvine, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.4 |
Low |
| 10am | 4.8 |
Moderate |
| 11am | 7.2 |
High |
| 12pm | 9.3 |
Very High |
| 1pm | 9.9 |
Very High |
| 2pm | 9 |
Very High |
| 3pm | 6.9 |
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 Friday, August 22nd in Irvine, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.4 |
Low |
| 10am | 5 |
Moderate |
| 11am | 7.5 |
High |
| 12pm | 9.3 |
Very High |
| 1pm | 9.9 |
Very High |
| 2pm | 9 |
Very High |
| 3pm | 6.8 |
High |
| 4pm | 4.2 |
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 Saturday, August 23rd in Irvine, 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 |