6.3 (High)
Last Updated 43 minutes ago
The hourly Walnut Creek, CA UV Index forecast for Saturday, July 5th, 2025.
Last Updated 45 minutes ago
The UV index forecast for the next five days in Walnut Creek, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Walnut Creek over the next five days will be 9.9 on Tuesday, July 8th at 1:00 pm.
The UV index forecast for Saturday, July 5th in Walnut Creek, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 8.6 |
Very High |
| 1pm | 9.8 |
Very High |
| 2pm | 9.5 |
Very High |
| 3pm | 7.7 |
High |
| 4pm | 5.2 |
Moderate |
| 5pm | 3.1 |
Moderate |
| 6pm | 1.4 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, July 6th in Walnut Creek, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 1.9 |
Low |
| 10am | 3.6 |
Moderate |
| 11am | 5.7 |
Moderate |
| 12pm | 6.6 |
High |
| 1pm | 7.2 |
High |
| 2pm | 7.4 |
High |
| 3pm | 6.2 |
High |
| 4pm | 4.5 |
Moderate |
| 5pm | 2.6 |
Low |
| 6pm | 1.3 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, July 7th in Walnut Creek, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.2 |
Moderate |
| 11am | 6.4 |
High |
| 12pm | 8.3 |
Very High |
| 1pm | 9 |
Very High |
| 2pm | 8.8 |
Very High |
| 3pm | 7.7 |
High |
| 4pm | 5.5 |
Moderate |
| 5pm | 3.2 |
Moderate |
| 6pm | 1.5 |
Low |
| 7pm | 0.5 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 8th in Walnut Creek, 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 | 0.3 |
Low |
| 8am | 1.1 |
Low |
| 9am | 2.7 |
Low |
| 10am | 4.9 |
Moderate |
| 11am | 7.2 |
High |
| 12pm | 9 |
Very High |
| 1pm | 9.9 |
Very High |
| 2pm | 9.5 |
Very High |
| 3pm | 7.9 |
High |
| 4pm | 5.7 |
Moderate |
| 5pm | 3.3 |
Moderate |
| 6pm | 1.5 |
Low |
| 7pm | 0.5 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 9th in Walnut Creek, 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 |