3.4 (Moderate)
Last Updated 51 minutes ago
The hourly Imperial, CA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 23 hours ago
The UV index forecast for the next five days in Imperial, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Imperial over the next five days will be 9.4 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Imperial, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 11am | 6.2 |
High |
| 12pm | 7.2 |
High |
| 1pm | 7.3 |
High |
| 2pm | 6.5 |
High |
| 3pm | 4.5 |
Moderate |
| 4pm | 2.3 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Imperial, 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 | 0.7 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.6 |
Moderate |
| 11am | 7.1 |
High |
| 12pm | 8.8 |
Very High |
| 1pm | 9.2 |
Very High |
| 2pm | 8 |
Very High |
| 3pm | 5.8 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.2 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Imperial, 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 | 0.7 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.6 |
Moderate |
| 11am | 7.1 |
High |
| 12pm | 9 |
Very High |
| 1pm | 9.4 |
Very High |
| 2pm | 8.2 |
Very High |
| 3pm | 5.9 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.2 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Imperial, 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 |
| 9am | 2.2 |
Low |
| 10am | 4.4 |
Moderate |
| 11am | 7 |
High |
| 12pm | 9 |
Very High |
| 1pm | 9.3 |
Very High |
| 2pm | 7.5 |
High |
| 3pm | 5.4 |
Moderate |
| 4pm | 2.6 |
Low |
| 5pm | 1.2 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, September 22nd in Imperial, 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 |