0 (Low)
Last Updated 24 minutes ago
The hourly Atherton, CA UV Index forecast for Saturday, December 13th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Atherton, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Atherton over the next five days will be 2.4 on Saturday, December 13th at 12:00 pm.
The UV index forecast for Saturday, December 13th in Atherton, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0.1 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.3 |
Low |
| 11am | 2 |
Low |
| 12pm | 2.4 |
Low |
| 1pm | 2.2 |
Low |
| 2pm | 1.6 |
Low |
| 3pm | 0.8 |
Low |
| 4pm | 0.2 |
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, December 14th in Atherton, 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 | 0.6 |
Low |
| 10am | 1.4 |
Low |
| 11am | 2.1 |
Low |
| 12pm | 2.4 |
Low |
| 1pm | 2.3 |
Low |
| 2pm | 1.6 |
Low |
| 3pm | 0.8 |
Low |
| 4pm | 0.2 |
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 Monday, December 15th in Atherton, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |