As of 1:49 PM EDT on May 26, 2026, out of 3 cities in Coos County, NH in our database, 2 cities (67%) have a UV Index reading of Very High, while 1 city (33%) have a UV Index reading of High. The city with the highest UV Index reading right now is West Stewartstown, NH with a reading of 7.6.
Over the next 24 hours, the highest UV Index reading in Coos County, NH is expected to be 7.6 in West Stewartstown between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |