0 (Low)
Last Updated 22 minutes ago
The hourly Sleepy Hollow, IL UV Index forecast for Sunday, January 18th, 2026.
Last Updated 11 hours ago
The UV index forecast for the next five days in Sleepy Hollow, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Sleepy Hollow over the next five days will be 1.8 on Wednesday, January 21st at 12:00 pm.
The UV index forecast for Sunday, January 18th in Sleepy Hollow, IL is below.
| Time | UV Index | Risk |
|---|
The UV index forecast for Monday, January 19th in Sleepy Hollow, 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 | 0.6 |
Low |
| 10am | 1 |
Low |
| 11am | 1.4 |
Low |
| 12pm | 1.6 |
Low |
| 1pm | 1.4 |
Low |
| 2pm | 0.9 |
Low |
| 3pm | 0.4 |
Low |
| 4pm | 0.1 |
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 Tuesday, January 20th in Sleepy Hollow, 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 | 0.6 |
Low |
| 10am | 1.1 |
Low |
| 11am | 1.6 |
Low |
| 12pm | 1.7 |
Low |
| 1pm | 1.5 |
Low |
| 2pm | 1 |
Low |
| 3pm | 0.5 |
Low |
| 4pm | 0.1 |
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 Wednesday, January 21st in Sleepy Hollow, 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 | 0.4 |
Low |
| 10am | 1.2 |
Low |
| 11am | 1.7 |
Low |
| 12pm | 1.8 |
Low |
| 1pm | 1.5 |
Low |
| 2pm | 1 |
Low |
| 3pm | 0.5 |
Low |
| 4pm | 0.1 |
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 Thursday, January 22nd in Sleepy Hollow, 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 |