5.2 (Moderate)
Last Updated 29 minutes ago
The hourly Yosemite Valley, CA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 29 minutes ago
The UV index forecast for the next five days in Yosemite Valley, CA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Yosemite Valley over the next five days will be 7.4 on Tuesday, September 16th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in Yosemite Valley, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 6.8 |
High |
| 1pm | 7.4 |
High |
| 2pm | 6.8 |
High |
| 3pm | 5.3 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.4 |
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 Wednesday, September 17th in Yosemite Valley, 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 | 1.5 |
Low |
| 10am | 3.2 |
Moderate |
| 11am | 5.1 |
Moderate |
| 12pm | 6.8 |
High |
| 1pm | 7.4 |
High |
| 2pm | 7.2 |
High |
| 3pm | 5.4 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.4 |
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 Thursday, September 18th in Yosemite Valley, 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 | 0.3 |
Low |
| 9am | 0.8 |
Low |
| 10am | 1.3 |
Low |
| 11am | 3 |
Moderate |
| 12pm | 4.8 |
Moderate |
| 1pm | 5.2 |
Moderate |
| 2pm | 5.3 |
Moderate |
| 3pm | 2.5 |
Low |
| 4pm | 1.2 |
Low |
| 5pm | 0.8 |
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 Yosemite Valley, 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 | 0.7 |
Low |
| 11am | 1.2 |
Low |
| 12pm | 0.6 |
Low |
| 1pm | 0.7 |
Low |
| 2pm | 0.4 |
Low |
| 3pm | 0.4 |
Low |
| 4pm | 0.2 |
Low |
| 5pm | 0.1 |
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, September 20th in Yosemite Valley, 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 |