As of 11:29 AM EDT on March 22, 2026, all 7 cities in Tolland County, CT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Rockville, CT with a reading of 1.1.
Over the next 24 hours, the highest UV Index reading in Tolland County, CT is expected to be 2.3 in Crystal Lake between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |