King County, WA: Current UV Index and Hourly Forecast

As of 9:22 AM PDT on August 29, 2025, all 62 cities in King County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Skykomish, WA with a reading of 1.6.

Over the next 24 hours, the highest UV Index reading in King County, WA is expected to be 6.7 in Skykomish 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 King County, WA as of 9:22 AM PDT, August 29, 2025

Current UV Index in Cities in King County, WA

9:22 AM PDT, August 29, 2025