5.1 (Moderate)
Last Updated 46 minutes ago
The hourly Acalanes Ridge, CA UV Index forecast for Sunday, August 31st, 2025.
Last Updated 44 minutes ago
The UV index forecast for the next five days in Acalanes Ridge, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Acalanes Ridge over the next five days will be 7.8 on Wednesday, September 3rd at 1:00 pm.
The UV index forecast for Sunday, August 31st in Acalanes Ridge, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 6.6 |
High |
| 1pm | 7.4 |
High |
| 2pm | 7.1 |
High |
| 3pm | 5.4 |
Moderate |
| 4pm | 3.8 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, September 1st in Acalanes Ridge, 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 | 0.4 |
Low |
| 9am | 1.4 |
Low |
| 10am | 3.1 |
Moderate |
| 11am | 5.1 |
Moderate |
| 12pm | 6.4 |
High |
| 1pm | 7.1 |
High |
| 2pm | 6.7 |
High |
| 3pm | 5.4 |
Moderate |
| 4pm | 3.5 |
Moderate |
| 5pm | 1.7 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, September 2nd in Acalanes Ridge, 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 | 0.4 |
Low |
| 9am | 1.2 |
Low |
| 10am | 2.6 |
Low |
| 11am | 4.3 |
Moderate |
| 12pm | 5.4 |
Moderate |
| 1pm | 6.3 |
High |
| 2pm | 6 |
High |
| 3pm | 4.8 |
Moderate |
| 4pm | 3.4 |
Moderate |
| 5pm | 1.8 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 3rd in Acalanes Ridge, 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 | 0.4 |
Low |
| 9am | 1.3 |
Low |
| 10am | 3 |
Moderate |
| 11am | 4.8 |
Moderate |
| 12pm | 6.9 |
High |
| 1pm | 7.8 |
High |
| 2pm | 7 |
High |
| 3pm | 5 |
Moderate |
| 4pm | 3.5 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 4th in Acalanes Ridge, 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 |