UV Index Today in Benton County, Washington (WA)
Sunday, September 20, 2026 -9:22 AM PDT (GMT-7)
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The average maximum UV Index today across 8 locations in Benton County, Washington (WA), is 5.1. The highest projected maximum is 5.1 in Kennewick at 1:00 PM PDT, while the lowest projected maximum is 5.1 in Kennewick at 1:00 PM PDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 4.9. The highest projected maximum is 5 in West Richland at 1:00 PM PDT, and the lowest projected maximum is 4.8 in Grandview at 1:00 PM PDT.
8 Places in Benton County, Washington (WA)
Maximum UV Index Today