Snohomish County, WA: Current UV Index and Hourly Forecast

As of 2:24 AM PDT on August 10, 2025, 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 8.2 in Index between 1:00 PM - 2:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Snohomish County, WA as of 2:24 AM PDT, August 10, 2025

Current UV Index in Cities in Snohomish County, WA

2:24 AM PDT, August 10, 2025