Snohomish County, WA: Current UV Index and Hourly Forecast

As of 12:34 PM PDT on July 15, 2025, out of 66 cities in Snohomish County, WA in our database, 55 cities (83%) have a UV Index reading of High, while 11 cities (17%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Index, WA with a reading of 7.7.

Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 8.3 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 12:34 PM PDT, July 15, 2025

Current UV Index in Cities in Snohomish County, WA

12:34 PM PDT, July 15, 2025