UV Index Today in Washington County, Oregon (OR)
Tuesday, October 13, 2026 -12:24 PM PDT (GMT-7)
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The average maximum UV Index today across 29 locations in Washington County, Oregon (OR), is 2.4. The highest projected maximum is 2.9 in Wilsonville at 2:00 PM PDT, while the lowest projected maximum is 0.5 in Gaston at 1:00 PM PDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 2.7. The highest projected maximum is 3.4 in Wilsonville at 1:00 PM PDT, and the lowest projected maximum is 2.6 in Portland at 12:00 PM PDT.
29 Places in Washington County, Oregon (OR)
Maximum UV Index Today