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Last Updated 6 minutes ago
The hourly Yosemite Valley, CA UV Index forecast for Sunday, August 31st, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Yosemite Valley, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Yosemite Valley 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 Yosemite Valley, CA is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Monday, September 1st 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 | 0.6 |
Low |
| 9am | 1.5 |
Low |
| 10am | 3.1 |
Moderate |
| 11am | 5 |
Moderate |
| 12pm | 6.6 |
High |
| 1pm | 7.1 |
High |
| 2pm | 6.6 |
High |
| 3pm | 4.8 |
Moderate |
| 4pm | 3 |
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 Tuesday, September 2nd 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 | 0.5 |
Low |
| 9am | 1.4 |
Low |
| 10am | 3 |
Moderate |
| 11am | 4.8 |
Moderate |
| 12pm | 7 |
High |
| 1pm | 7.6 |
High |
| 2pm | 7 |
High |
| 3pm | 5.9 |
Moderate |
| 4pm | 3.8 |
Moderate |
| 5pm | 1.8 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 3rd 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 | 0.5 |
Low |
| 9am | 1.5 |
Low |
| 10am | 3.2 |
Moderate |
| 11am | 5.1 |
Moderate |
| 12pm | 7.2 |
High |
| 1pm | 7.8 |
High |
| 2pm | 7.2 |
High |
| 3pm | 5.9 |
Moderate |
| 4pm | 3.8 |
Moderate |
| 5pm | 1.6 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 4th 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 |