King County, WA: Current UV Index and Hourly Forecast

As of 12:22 PM PDT on April 1, 2025, out of 62 cities in King County, WA in our database, 48 cities (77%) have a UV Index reading of Low, while 14 cities (23%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Federal Way, WA with a reading of 3.1.

Over the next 24 hours, the highest UV Index reading in King County, WA is expected to be 3.1 in Federal Way between 12:00 PM - 1:00 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 12:22 PM PDT, April 1, 2025

Current UV Index in Cities in King County, WA

12:22 PM PDT, April 1, 2025