0 (Low)
Last Updated 50 minutes ago
The hourly Half Moon Bay, CA UV Index forecast for Thursday, January 1st, 2026.
Last Updated 1 day ago
The UV index forecast for the next five days in Half Moon Bay, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Half Moon Bay over the next five days will be 1.7 on Saturday, January 3rd at 11:00 am.
The UV index forecast for Thursday, January 1st in Half Moon Bay, CA is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Friday, January 2nd in Half Moon Bay, 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 | 0.1 |
Low |
| 9am | 0.2 |
Low |
| 10am | 0.6 |
Low |
| 11am | 0.7 |
Low |
| 12pm | 0.9 |
Low |
| 1pm | 0.2 |
Low |
| 2pm | 0.2 |
Low |
| 3pm | 0.1 |
Low |
| 4pm | 0.1 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, January 3rd in Half Moon Bay, 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 | 0.1 |
Low |
| 9am | 0.5 |
Low |
| 10am | 1.2 |
Low |
| 11am | 1.7 |
Low |
| 12pm | 1.7 |
Low |
| 1pm | 1.5 |
Low |
| 2pm | 1.1 |
Low |
| 3pm | 0.5 |
Low |
| 4pm | 0.1 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, January 4th in Half Moon Bay, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |