0 (Low)
Last Updated 10 minutes ago
The hourly Downers Grove, IL UV Index forecast for Tuesday, August 19th, 2025.
Last Updated 10 hours ago
The UV index forecast for the next five days in Downers Grove, IL has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Downers Grove over the next five days will be 8.8 on Thursday, August 21st at 1:00 pm.
The UV index forecast for Tuesday, August 19th in Downers Grove, IL is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Wednesday, August 20th in Downers Grove, 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 | 0.2 |
Low |
| 8am | 0.7 |
Low |
| 9am | 1.8 |
Low |
| 10am | 3.2 |
Moderate |
| 11am | 5.7 |
Moderate |
| 12pm | 8 |
Very High |
| 1pm | 8.5 |
Very High |
| 2pm | 7.8 |
High |
| 3pm | 6 |
High |
| 4pm | 3.9 |
Moderate |
| 5pm | 2 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, August 21st in Downers Grove, 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 | 0.2 |
Low |
| 8am | 1 |
Low |
| 9am | 2.4 |
Low |
| 10am | 4.5 |
Moderate |
| 11am | 6.7 |
High |
| 12pm | 8.2 |
Very High |
| 1pm | 8.8 |
Very High |
| 2pm | 8 |
Very High |
| 3pm | 6.2 |
High |
| 4pm | 4 |
Moderate |
| 5pm | 2 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, August 22nd in Downers Grove, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.3 |
Low |
| 10am | 4.3 |
Moderate |
| 11am | 6 |
High |
| 12pm | 7.8 |
High |
| 1pm | 8.4 |
Very High |
| 2pm | 7.3 |
High |
| 3pm | 6 |
High |
| 4pm | 3.8 |
Moderate |
| 5pm | 2 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, August 23rd in Downers Grove, 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 | 0.2 |
Low |