Snohomish County, WA: Current UV Index and Hourly Forecast

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As of 2:42 AM PDT on August 12, 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 5.8 in Marysville 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 - 0
• Arlington - 0
• Arlington Heights - 0
• Bothell East - 0
• Bothell West - 0
• Brier - 0
• Bryant - 0
• Bunk Foss - 0
• Canyon Creek - 0
• Cathcart - 0
• Cavalero - 0
• Chain Lake - 0
• Clearview - 0
• Darrington - 0
• Eastmont - 0
• Edmonds - 0
• Esperance - 0
• Everett - 0
• Fobes Hill - 0
• Gold Bar - 0
• Granite Falls - 0
• Hat Island - 0
• High Bridge - 0
• Index - 0
• Kayak Point - 0
• Lake Bosworth - 0
• Lake Cassidy - 0
• Lake Goodwin - 0
• Lake Ketchum - 0
• Lake Roesiger - 0
• Lake Stevens - 0
• Lake Stickney - 0
• Larch Way - 0
• Lochsloy - 0
• Lynnwood - 0
• Machias - 0
• Maltby - 0
• Martha Lake - 0
• Marysville - 0
• May Creek - 0
• Meadowdale - 0
• Mill Creek - 0
• Mill Creek East - 0
• Monroe - 0
• Monroe North - 0
• Mountlake Terrace - 0
• Mukilteo - 0
• North Lynnwood - 0
• North Sultan - 0
• Northwest Stanwood - 0
• Oso - 0
• Picnic Point - 0
• Silvana - 0
• Silver Firs - 0
• Sisco Heights - 0
• Snohomish - 0
• Stanwood - 0
• Startup - 0
• Sultan - 0
• Sunday Lake - 0
• Swede Heaven - 0
• Three Lakes - 0
• Verlot - 0
• Warm Beach - 0
• Woods Creek - 0
• Woodway - 0