5.6 (Moderate)
Last Updated 55 minutes ago
The hourly Brillion, WI UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 54 minutes ago
The UV index forecast for the next five days in Brillion, WI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Brillion over the next five days will be 5.8 on Friday, September 19th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Brillion, WI is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 5.1 |
Moderate |
| 3pm | 3.8 |
Moderate |
| 4pm | 2.3 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.3 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Brillion, 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 |
Low |
| 8am | 0.4 |
Low |
| 9am | 1.2 |
Low |
| 10am | 2.6 |
Low |
| 11am | 4.1 |
Moderate |
| 12pm | 5.3 |
Moderate |
| 1pm | 5.5 |
Moderate |
| 2pm | 5 |
Moderate |
| 3pm | 3.8 |
Moderate |
| 4pm | 2.3 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.3 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Brillion, 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 |
Low |
| 8am | 0.4 |
Low |
| 9am | 1.2 |
Low |
| 10am | 2.4 |
Low |
| 11am | 3.9 |
Moderate |
| 12pm | 5.4 |
Moderate |
| 1pm | 5.8 |
Moderate |
| 2pm | 4.9 |
Moderate |
| 3pm | 3.5 |
Moderate |
| 4pm | 2.2 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.3 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Brillion, 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 |
Low |
| 8am | 0.3 |
Low |
| 9am | 1 |
Low |
| 10am | 2.2 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 3.2 |
Moderate |
| 1pm | 5 |
Moderate |
| 2pm | 4.8 |
Moderate |
| 3pm | 3 |
Moderate |
| 4pm | 1.5 |
Low |
| 5pm | 0.7 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Brillion, 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 |
Low |