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Last Updated 14 minutes ago
The hourly Chicago, IL UV Index forecast for Wednesday, June 18th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Chicago, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Chicago over the next five days will be 9.7 on Friday, June 20th at 1:00 pm.
The UV index forecast for Wednesday, June 18th in Chicago, IL is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Thursday, June 19th in Chicago, 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 | 0.3 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.4 |
Low |
| 10am | 5.1 |
Moderate |
| 11am | 6.6 |
High |
| 12pm | 8 |
Very High |
| 1pm | 8.6 |
Very High |
| 2pm | 8.2 |
Very High |
| 3pm | 6.8 |
High |
| 4pm | 4.7 |
Moderate |
| 5pm | 2.7 |
Low |
| 6pm | 1.2 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, June 20th in Chicago, 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 | 0.1 |
Low |
| 7am | 0.6 |
Low |
| 8am | 1.6 |
Low |
| 9am | 3.2 |
Moderate |
| 10am | 5.2 |
Moderate |
| 11am | 7.4 |
High |
| 12pm | 9.2 |
Very High |
| 1pm | 9.7 |
Very High |
| 2pm | 8.9 |
Very High |
| 3pm | 7.2 |
High |
| 4pm | 5 |
Moderate |
| 5pm | 2.9 |
Low |
| 6pm | 1.3 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, June 21st in Chicago, 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 | 0.1 |
Low |
| 7am | 0.6 |
Low |