As of 1:38 PM CDT on May 22, 2026, out of 8 cities in Green County, WI in our database, 7 cities (88%) have a UV Index reading of High, while 1 city (13%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is New Glarus, WI with a reading of 7.5.
Over the next 24 hours, the highest UV Index reading in Green County, WI is expected to be 7.5 in New Glarus between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |