Snohomish County, WA: Current UV Index and Hourly Forecast

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As of 8:17 AM PDT on July 20, 2025, all 66 cities in Snohomish County, WA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sultan, WA with a reading of 1.2.

Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 7.3 in Darrington between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Snohomish County, WA

• Alderwood Manor - 1
• Arlington - 1.1
• Arlington Heights - 1.1
• Bothell East - 1
• Bothell West - 1
• Brier - 1
• Bryant - 1.1
• Bunk Foss - 1.1
• Canyon Creek - 1.1
• Cathcart - 1.1
• Cavalero - 1.1
• Chain Lake - 1.1
• Clearview - 1
• Darrington - 1.2
• Eastmont - 1
• Edmonds - 1
• Esperance - 1
• Everett - 1
• Fobes Hill - 1
• Gold Bar - 1.2
• Granite Falls - 1.1
• Hat Island - 1
• High Bridge - 1.1
• Index - 1.2
• Kayak Point - 1.1
• Lake Bosworth - 1.1
• Lake Cassidy - 1.1
• Lake Goodwin - 1.1
• Lake Ketchum - 1.1
• Lake Roesiger - 1.1
• Lake Stevens - 1.1
• Lake Stickney - 1
• Larch Way - 1
• Lochsloy - 1.1
• Lynnwood - 1
• Machias - 1.1
• Maltby - 1.1
• Martha Lake - 1
• Marysville - 1
• May Creek - 1.2
• Meadowdale - 1
• Mill Creek - 1
• Mill Creek East - 1
• Monroe - 1.1
• Monroe North - 1.1
• Mountlake Terrace - 1
• Mukilteo - 1
• North Lynnwood - 1
• North Sultan - 1.2
• Northwest Stanwood - 1.1
• Oso - 1.1
• Picnic Point - 1
• Silvana - 1.1
• Silver Firs - 1
• Sisco Heights - 1.1
• Snohomish - 1.1
• Stanwood - 1.1
• Startup - 1.2
• Sultan - 1.2
• Sunday Lake - 1.1
• Swede Heaven - 1.2
• Three Lakes - 1.1
• Verlot - 1.2
• Warm Beach - 1.1
• Woods Creek - 1.1
• Woodway - 0.7