As of 12:51 PM EST on November 5, 2026, out of 15 cities in Union County, NC in our database, 14 cities (93%) have a UV Index reading of Low, while 1 city (7%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Marshville, NC with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in Union County, NC is expected to be 2.9 in Marshville between 12:00 PM - 1:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |