Columbia County, WA: Current UV Index and Hourly Forecast

As of 8:43 PM PDT on June 6, 2025, all 2 cities in Columbia County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Dayton, WA with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Columbia County, WA is expected to be 8 in Dayton between 1:00 PM - 2:00 PM PDT tomorrow.

Search Cities in Columbia County, WA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Columbia County, WA as of 8:43 PM PDT, June 6, 2025

Current UV Index in Cities in Columbia County, WA

8:43 PM PDT, June 6, 2025