4.3 (Moderate)
Last Updated 8 minutes ago
The hourly Winter, WI UV Index forecast for Thursday, September 18th, 2025.
Last Updated 23 hours ago
The UV index forecast for the next five days in Winter, WI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Winter over the next five days will be 5.2 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Winter, WI is below.
Time | UV Index | Risk |
---|---|---|
1pm | 5.2 |
Moderate |
2pm | 5.1 |
Moderate |
3pm | 3.9 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1.2 |
Low |
6pm | 0.4 |
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 Winter, 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 | 0.1 |
Low |
9am | 0.8 |
Low |
10am | 0.6 |
Low |
11am | 1 |
Low |
12pm | 1.5 |
Low |
1pm | 4 |
Moderate |
2pm | 3.2 |
Moderate |
3pm | 3.2 |
Moderate |
4pm | 1.7 |
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 Winter, 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 | 0.2 |
Low |
9am | 0.9 |
Low |
10am | 1.9 |
Low |
11am | 3 |
Moderate |
12pm | 3 |
Moderate |
1pm | 1.7 |
Low |
2pm | 1 |
Low |
3pm | 0.4 |
Low |
4pm | 0.2 |
Low |
5pm | 0.5 |
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 Winter, 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 |