Snohomish County, WA: Current UV Index and Hourly Forecast

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As of 8:41 PM PDT on July 22, 2026, 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 Marysville, WA with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Snohomish County, WA is expected to be 7.7 in Darrington between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Snohomish County, WA

• Alderwood Manor - 0.1
• Arlington - 0.1
• Arlington Heights - 0.1
• Bothell East - 0.1
• Bothell West - 0.1
• Brier - 0.1
• Bryant - 0.1
• Bunk Foss - 0.1
• Canyon Creek - 0.1
• Cathcart - 0.1
• Cavalero - 0.1
• Chain Lake - 0.1
• Clearview - 0.1
• Darrington - 0.1
• Eastmont - 0.1
• Edmonds - 0.1
• Esperance - 0.1
• Everett - 0.1
• Fobes Hill - 0.1
• Gold Bar - 0.1
• Granite Falls - 0.1
• Hat Island - 0.1
• High Bridge - 0.1
• Index - 0.1
• Kayak Point - 0.1
• Lake Bosworth - 0.1
• Lake Cassidy - 0.1
• Lake Goodwin - 0.1
• Lake Ketchum - 0.1
• Lake Roesiger - 0.1
• Lake Stevens - 0.1
• Lake Stickney - 0.1
• Larch Way - 0.1
• Lochsloy - 0.1
• Lynnwood - 0.1
• Machias - 0.1
• Maltby - 0.1
• Martha Lake - 0.1
• Marysville - 0.1
• May Creek - 0.1
• Meadowdale - 0.1
• Mill Creek - 0.1
• Mill Creek East - 0.1
• Monroe - 0.1
• Monroe North - 0.1
• Mountlake Terrace - 0.1
• Mukilteo - 0.1
• North Lynnwood - 0.1
• North Sultan - 0.1
• Northwest Stanwood - 0.1
• Oso - 0.1
• Picnic Point - 0.1
• Silvana - 0.1
• Silver Firs - 0.1
• Sisco Heights - 0.1
• Snohomish - 0.1
• Stanwood - 0.1
• Startup - 0.1
• Sultan - 0.1
• Sunday Lake - 0.1
• Swede Heaven - 0.1
• Three Lakes - 0.1
• Verlot - 0.1
• Warm Beach - 0.1
• Woods Creek - 0.1
• Woodway - 0.1