0 (Low)
Last Updated 20 minutes ago
The hourly Joliet, IL UV Index forecast for Saturday, December 13th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Joliet, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Joliet over the next five days will be 1.8 on Sunday, December 14th at 12:00 pm.
The UV index forecast for Saturday, December 13th in Joliet, IL is below.
| Time | UV Index | Risk |
|---|---|---|
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0.2 |
Low |
| 9am | 0.4 |
Low |
| 10am | 0.7 |
Low |
| 11am | 1.1 |
Low |
| 12pm | 1.2 |
Low |
| 1pm | 1 |
Low |
| 2pm | 0.5 |
Low |
| 3pm | 0.2 |
Low |
| 4pm | 0 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, December 14th in Joliet, IL 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 | 0.2 |
Low |
| 9am | 0.5 |
Low |
| 10am | 1.1 |
Low |
| 11am | 1.6 |
Low |
| 12pm | 1.8 |
Low |
| 1pm | 1.6 |
Low |
| 2pm | 1 |
Low |
| 3pm | 0.5 |
Low |
| 4pm | 0 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, December 15th in Joliet, IL 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 |