Snohomish County, WA: Current UV Index and Hourly Forecast

As of 7:51 PM PDT on March 23, 2026, all 66 cities in Snohomish County, WA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 2 in Arlington between 12:00 PM - 1:00 PM PDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Snohomish County, WA as of 7:51 PM PDT, March 23, 2026

Current UV Index in Cities in Snohomish County, WA

7:51 PM PDT, March 23, 2026