10.1 (Very High)
Last Updated 17 minutes ago
The hourly Williams Bay, WI UV Index forecast for Saturday, July 5th, 2025.
Last Updated 18 minutes ago
The UV index forecast for the next five days in Williams Bay, WI has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Williams Bay over the next five days will be 10.1 on Saturday, July 5th at 1:00 pm.
The UV index forecast for Saturday, July 5th in Williams Bay, WI is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 9.4 |
Very High |
| 3pm | 7.7 |
High |
| 4pm | 5.4 |
Moderate |
| 5pm | 3.2 |
Moderate |
| 6pm | 1.4 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, July 6th in Williams Bay, WI 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 | 0.4 |
Low |
| 8am | 1.5 |
Low |
| 9am | 3.1 |
Moderate |
| 10am | 5.2 |
Moderate |
| 11am | 6.9 |
High |
| 12pm | 8.3 |
Very High |
| 1pm | 8.8 |
Very High |
| 2pm | 8.3 |
Very High |
| 3pm | 6.8 |
High |
| 4pm | 4.7 |
Moderate |
| 5pm | 2.8 |
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 Monday, July 7th in Williams Bay, WI 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 | 0.5 |
Low |
| 8am | 1.5 |
Low |
| 9am | 3.1 |
Moderate |
| 10am | 5.2 |
Moderate |
| 11am | 7.2 |
High |
| 12pm | 8.6 |
Very High |
| 1pm | 9.2 |
Very High |
| 2pm | 8.6 |
Very High |
| 3pm | 6.8 |
High |
| 4pm | 4.5 |
Moderate |
| 5pm | 2.5 |
Low |
| 6pm | 1.2 |
Low |
| 7pm | 0.3 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 8th in Williams Bay, WI 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 | 0.5 |
Low |
| 8am | 1.4 |
Low |
| 9am | 3 |
Moderate |
| 10am | 5.1 |
Moderate |
| 11am | 7.4 |
High |
| 12pm | 8.9 |
Very High |
| 1pm | 9.5 |
Very High |
| 2pm | 8.4 |
Very High |
| 3pm | 7.1 |
High |
| 4pm | 5.1 |
Moderate |
| 5pm | 2.8 |
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 Wednesday, July 9th in Williams Bay, WI 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 |