As of 1:34 PM EDT on May 3, 2026, out of 16 cities in Windham County, CT in our database, 15 cities (94%) have a UV Index reading of High, while 1 city (6%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Danielson, CT with a reading of 5.8.
Over the next 24 hours, the highest UV Index reading in Windham County, CT is expected to be 6.2 in Willimantic between 12:00 PM - 1:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |