Columbia County, WA: Current UV Index and Hourly Forecast

As of 5:33 AM PDT on June 27, 2025, all 2 cities in Columbia County, WA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Columbia County, WA is expected to be 8.2 in Dayton between 1:00 PM - 2:00 PM PDT today.

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 5:33 AM PDT, June 27, 2025

Current UV Index in Cities in Columbia County, WA

5:33 AM PDT, June 27, 2025