UV Index in Marathon, Wisconsin
Tuesday
03/11/2026
Current UV Index:
0.24
Low
Wear sunglasses on bright days. No broad-spectrum sunscreen required unless outdoors for extended periods near reflective surfaces.
UV Index Scale
Low
0
- 2
Minimal Risk Wear sunglasses on bright days. No broad-spectrum sunscreen required unless outdoors for extended periods near reflective surfaces.
Moderate
3
- 5
Moderate Risk Apply broad-spectrum SPF 30+ sunscreen. Wear a hat and UV-blocking sunglasses if outdoors during midday hours.
High
6
- 7
High Risk Apply broad-spectrum SPF 30+ sunscreen every 2 hours. Seek shade between 10:00 AM and 4:00 PM, and wear a wide-brim hat, protective clothing, and UV-blocking sunglasses.
Very high
8
- 10
Higher Risk Minimize outdoor activity between 10:00 AM and 4:00 PM. Apply broad-spectrum SPF 30+ generously every 2 hours, and wear UV-protective long sleeves, pants, a wide-brim hat, and wrap-around sunglasses.
Extremely
11+
Extreme Risk Avoid outdoor exposure between 10:00 AM and 4:00 PM. Unprotected skin and eyes can burn in minutes. If outdoors, wear SPF 50+ sunscreen, UPF clothing, a wide-brim hat, and wrap-around sunglasses.
Hourly UV Index Forecast
Wear sunglasses on sunny days. In winter, reflection can double the intensity of UV rays.
If you burn easily, cover up and use sunscreen.
If you burn easily, cover up and use sunscreen.
1-2
Low
3-5
Moderate
6-7
High
8-10
Very high
11+
Extremely
Daily UV Index Forecast
03/11/2026
59o
/
63o0.36
Low
04/11/2026
50o
/
62o1.67
Low
05/11/2026
41o
/
50o0.21
Low
06/11/2026
33o
/
43o1.99
Low
07/11/2026
27o
/
46o1.97
Low
08/11/2026
38o
/
51o2
Low
09/11/2026
38o
/
55o2
Low
10/11/2026
37o
/
51o2
Low
03/11/2026
63o
Moderate Rain
59oF
/
63oF
| Feel like
64oF
100% Rain
|
0.07 in
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