As of 10:55 AM CDT on May 2, 2026, all 8 cities in Green County, WI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Brooklyn, WI with a reading of 3.4.
Over the next 24 hours, the highest UV Index reading in Green County, WI is expected to be 6.2 in New Glarus between 12:00 PM - 1:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |