As of 4:08 PM CDT on May 20, 2026, all 19 cities in Milwaukee County, WI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Milwaukee, WI with a reading of 4.4.
Over the next 24 hours, the highest UV Index reading in Milwaukee County, WI is expected to be 5.6 in Milwaukee between 3:00 PM - 4:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |