Jefferson County, WA: Current UV Index and Hourly Forecast

As of 12:08 PM PDT on August 10, 2025, all 6 cities in Jefferson County, WA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Brinnon, WA with a reading of 7.4.

Over the next 24 hours, the highest UV Index reading in Jefferson County, WA is expected to be 8.1 in Brinnon between 1:00 PM - 2:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Jefferson County, WA as of 12:08 PM PDT, August 10, 2025

Current UV Index in Cities in Jefferson County, WA

12:08 PM PDT, August 10, 2025