Snohomish County, WA: Current UV Index and Hourly Forecast

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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.

Search Cities in Snohomish County, WA

Current UV Index in Cities in Snohomish County, WA

• Alderwood Manor - 7.2
• Arlington - 7.3
• Arlington Heights - 7.5
• Bothell East - 7.2
• Bothell West - 7.2
• Brier - 7.2
• Bryant - 7.3
• Bunk Foss - 7.4
• Canyon Creek - 7.4
• Cathcart - 7.3
• Cavalero - 7.4
• Chain Lake - 7.4
• Clearview - 7.2
• Darrington - 7.5
• Eastmont - 7.3
• Edmonds - 7.2
• Esperance - 7.2
• Everett - 7.3
• Fobes Hill - 7.3
• Gold Bar - 7.5
• Granite Falls - 7.4
• Hat Island - 7.3
• High Bridge - 7.3
• Index - 7.7
• Kayak Point - 7.3
• Lake Bosworth - 7.4
• Lake Cassidy - 7.4
• Lake Goodwin - 7.3
• Lake Ketchum - 7.3
• Lake Roesiger - 7.4
• Lake Stevens - 7.4
• Lake Stickney - 7.2
• Larch Way - 7.2
• Lochsloy - 7.4
• Lynnwood - 7.2
• Machias - 7.4
• Maltby - 7.3
• Martha Lake - 7.2
• Marysville - 7.3
• May Creek - 7.5
• Meadowdale - 7.2
• Mill Creek - 7.2
• Mill Creek East - 7.2
• Monroe - 7.3
• Monroe North - 7.4
• Mountlake Terrace - 7.2
• Mukilteo - 7.3
• North Lynnwood - 7.2
• North Sultan - 7.5
• Northwest Stanwood - 7.3
• Oso - 7.5
• Picnic Point - 7.2
• Silvana - 7.3
• Silver Firs - 7.2
• Sisco Heights - 7.4
• Snohomish - 7.4
• Stanwood - 7.3
• Startup - 7.5
• Sultan - 7.5
• Sunday Lake - 7.3
• Swede Heaven - 7.6
• Three Lakes - 7.4
• Verlot - 7.5
• Warm Beach - 7.3
• Woods Creek - 7.4
• Woodway - 7.2