As of 12:27 PM EDT on May 9, 2026, out of 73 cities in Fairfield County, CT in our database, 56 cities (77%) have a UV Index reading of Low, while 17 cities (23%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is New Canaan, CT with a reading of 2.6.
Over the next 24 hours, the highest UV Index reading in Fairfield County, CT is expected to be 5.6 in Stamford between 11:00 AM - 12:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |