As of 3:02 PM PDT on May 12, 2025, out of 9 cities in Grant County, OR in our database, 8 cities (89%) have a UV Index reading of Moderate, while 1 city (11%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Seneca, OR with a reading of 4.5.
Over the next 24 hours, the highest UV Index reading in Grant County, OR is expected to be 4.9 in Seneca between 1:00 PM - 2:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |