5.2 (Moderate)
Last Updated 44 minutes ago
The hourly Blackhawk, CA UV Index forecast for Sunday, August 31st, 2025.
Last Updated 43 minutes ago
The UV index forecast for the next five days in Blackhawk, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Blackhawk over the next five days will be 8.1 on Wednesday, September 3rd at 1:00 pm.
The UV index forecast for Sunday, August 31st in Blackhawk, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 6.8 |
High |
| 1pm | 7.5 |
High |
| 2pm | 7 |
High |
| 3pm | 5.2 |
Moderate |
| 4pm | 3.5 |
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 Monday, September 1st in Blackhawk, 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 | 6.9 |
High |
| 1pm | 7.6 |
High |
| 2pm | 7.2 |
High |
| 3pm | 5.8 |
Moderate |
| 4pm | 3.8 |
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 Tuesday, September 2nd in Blackhawk, 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 | 1.6 |
Low |
| 10am | 3.3 |
Moderate |
| 11am | 5.3 |
Moderate |
| 12pm | 7 |
High |
| 1pm | 7.7 |
High |
| 2pm | 7.3 |
High |
| 3pm | 5.9 |
Moderate |
| 4pm | 3.9 |
Moderate |
| 5pm | 2 |
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 Wednesday, September 3rd in Blackhawk, 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 | 1.6 |
Low |
| 10am | 3.4 |
Moderate |
| 11am | 5.5 |
Moderate |
| 12pm | 7.3 |
High |
| 1pm | 8.1 |
Very High |
| 2pm | 7.7 |
High |
| 3pm | 6.2 |
High |
| 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 Thursday, September 4th in Blackhawk, 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 |