As of 2:15 PM PDT on October 31, 2025, all 17 cities in Whitman County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Colton, WA with a reading of 1.5.
Over the next 24 hours, the highest UV Index reading in Whitman County, WA is expected to be 1.6 in Colton between 11:00 AM - 12:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |