As of 11:04 AM EDT on April 22, 2026, out of 66 cities in Maine in our database, 35 cities (53%) have a UV Index reading of Moderate, while 31 cities (47%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Calais, ME with a reading of 4.4.
Over the next 24 hours, the highest UV Index reading in Maine is expected to be 5.2 in Eastport between 1:00 PM - 2:00 PM ADT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |