2.5 (Low)
Last Updated 35 minutes ago
The hourly Upper Lake, CA UV Index forecast for Tuesday, October 21st, 2025.
Last Updated 36 minutes ago
The UV index forecast for the next five days in Upper Lake, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Upper Lake over the next five days will be 4.3 on Thursday, October 23rd at 1:00 pm.
The UV index forecast for Tuesday, October 21st in Upper Lake, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12pm | 3.7 |
Moderate |
| 1pm | 4.2 |
Moderate |
| 2pm | 4 |
Moderate |
| 3pm | 3 |
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 Wednesday, October 22nd in Upper Lake, 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 | 0.4 |
Low |
| 10am | 1.3 |
Low |
| 11am | 2.4 |
Low |
| 12pm | 3.5 |
Moderate |
| 1pm | 3.8 |
Moderate |
| 2pm | 3.6 |
Moderate |
| 3pm | 2.6 |
Low |
| 4pm | 1.6 |
Low |
| 5pm | 0.6 |
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 Upper Lake, 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 | 0.4 |
Low |
| 10am | 1.2 |
Low |
| 11am | 2.5 |
Low |
| 12pm | 3.7 |
Moderate |
| 1pm | 4.3 |
Moderate |
| 2pm | 4.1 |
Moderate |
| 3pm | 3.1 |
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 Friday, October 24th in Upper Lake, 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 | 0.4 |
Low |
| 10am | 1.2 |
Low |
| 11am | 2.5 |
Low |
| 12pm | 3.4 |
Moderate |
| 1pm | 4 |
Moderate |
| 2pm | 4 |
Moderate |
| 3pm | 3 |
Moderate |
| 4pm | 1.7 |
Low |
| 5pm | 0.6 |
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 Upper Lake, 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 |