As of 11:37 AM EST on January 12, 2026, all 16 cities in Windham County, CT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Willimantic, CT with a reading of 1.4.
Over the next 24 hours, the highest UV Index reading in Windham County, CT is expected to be 1.5 in Willimantic between 12:00 PM - 1:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |