As of 5:29 PM EDT on September 6, 2026, out of 13 cities in Monroe County, FL in our database, 12 cities (92%) have a UV Index reading of Moderate, while 1 city (8%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Key Largo, FL with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Monroe County, FL is expected to be 11.1 in Key West between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |