As of 9:37 PM AKDT on September 10, 2025, all 3 cities in Petersburg Borough, AK in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Petersburg Borough, AK is expected to be 1.9 in Hobart Bay between 3:00 PM - 4:00 PM AKDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |