UV Index Today in King County, Washington (WA)
Friday, May 22, 2026 -11:38 AMPDT (GMT-7)
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The average maximum UV Index today across 72 locations in King County, Washington (WA), is 7.4. The highest projected maximum is 7.6 in Snoqualmie at 1:00 PM PDT, while the lowest projected maximum is 7.2 in Woodway at 1:00 PM PDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.9. The highest projected maximum is 7.2 in Snoqualmie at 1:00 PM PDT, and the lowest projected maximum is 6.8 in Kirkland at 1:00 PM PDT.
72 Places in King County, Washington (WA)
Maximum UV Index Today