0 (Low)
Last Updated 40 minutes ago
The hourly Santa Cruz, CA UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Santa Cruz, CA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Santa Cruz over the next five days will be 7.1 on Friday, September 19th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Santa Cruz, CA is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Thursday, September 18th in Santa Cruz, 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 | 0.2 |
Low |
| 9am | 1 |
Low |
| 10am | 1.9 |
Low |
| 11am | 3 |
Moderate |
| 12pm | 4.4 |
Moderate |
| 1pm | 4.9 |
Moderate |
| 2pm | 5 |
Moderate |
| 3pm | 3.6 |
Moderate |
| 4pm | 2.4 |
Low |
| 5pm | 1.1 |
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 Santa Cruz, 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 | 0.2 |
Low |
| 9am | 1.1 |
Low |
| 10am | 2.5 |
Low |
| 11am | 4.4 |
Moderate |
| 12pm | 6.2 |
High |
| 1pm | 7.1 |
High |
| 2pm | 6.7 |
High |
| 3pm | 5.3 |
Moderate |
| 4pm | 3.4 |
Moderate |
| 5pm | 1.6 |
Low |
| 6pm | 0.5 |
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 Santa Cruz, 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 | 0.2 |
Low |
| 9am | 1.1 |
Low |
| 10am | 2.6 |
Low |
| 11am | 4.6 |
Moderate |
| 12pm | 6.2 |
High |
| 1pm | 7 |
High |
| 2pm | 6.6 |
High |
| 3pm | 5.2 |
Moderate |
| 4pm | 3.3 |
Moderate |
| 5pm | 1.5 |
Low |
| 6pm | 0.4 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Santa Cruz, 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 |