1.8 (Low)
Last Updated 32 seconds ago
The hourly San Luis Obispo, CA UV Index forecast for Tuesday, October 21st, 2025.
Last Updated 5 hours ago
The UV index forecast for the next five days in San Luis Obispo, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in San Luis Obispo over the next five days will be 5.1 on Friday, October 24th at 1:00 pm.
The UV index forecast for Tuesday, October 21st in San Luis Obispo, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 0.7 |
Low |
| 6pm | 0.1 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, October 22nd in San Luis Obispo, 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 |
Low |
| 9am | 0.3 |
Low |
| 10am | 0.8 |
Low |
| 11am | 1.5 |
Low |
| 12pm | 2.8 |
Low |
| 1pm | 4.7 |
Moderate |
| 2pm | 4.4 |
Moderate |
| 3pm | 3.2 |
Moderate |
| 4pm | 1.8 |
Low |
| 5pm | 0.7 |
Low |
| 6pm | 0.1 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, October 23rd in San Luis Obispo, 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 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.7 |
Low |
| 11am | 3.1 |
Moderate |
| 12pm | 4.4 |
Moderate |
| 1pm | 5 |
Moderate |
| 2pm | 4.6 |
Moderate |
| 3pm | 3.4 |
Moderate |
| 4pm | 1.9 |
Low |
| 5pm | 0.7 |
Low |
| 6pm | 0.1 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, October 24th in San Luis Obispo, 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 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.7 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.5 |
Moderate |
| 1pm | 5.1 |
Moderate |
| 2pm | 4.6 |
Moderate |
| 3pm | 3.4 |
Moderate |
| 4pm | 1.9 |
Low |
| 5pm | 0.7 |
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, October 25th in San Luis Obispo, 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 |