Columbia County, OR: Current UV Index and Hourly Forecast

As of 6:47 PM PDT on October 20, 2025, all 9 cities in Columbia County, OR 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, OR is expected to be 2.8 in Vernonia between 1:00 PM - 2:00 PM PDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Columbia County, OR as of 6:47 PM PDT, October 20, 2025

Current UV Index in Cities in Columbia County, OR

6:47 PM PDT, October 20, 2025