Stanislaus County, CA: Current UV Index and Hourly Forecast

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As of 7:00 PM PDT on July 9, 2025, all 33 cities in Stanislaus County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Patterson, CA with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in Stanislaus County, CA is expected to be 11.1 in Patterson between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Stanislaus County, CA

• Airport - 0.4
• Bret Harte - 0.4
• Bystrom - 0.4
• Ceres - 0.4
• Cowan - 0.4
• Crows Landing - 0.4
• Del Rio - 0.4
• Denair - 0.4
• Diablo Grande - 0.5
• East Oakdale - 0.4
• Empire - 0.4
• Grayson - 0.5
• Hickman - 0.4
• Hughson - 0.4
• Keyes - 0.4
• Knights Ferry - 0.4
• La Grange - 0.4
• Modesto - 0.4
• Monterey Park Tract - 0.4
• Newman - 0.4
• Oakdale - 0.4
• Orange Blossom - 0.4
• Parklawn - 0.4
• Patterson - 0.5
• Riverbank - 0.4
• Riverdale Park - 0.4
• Rouse - 0.4
• Salida - 0.4
• Turlock - 0.4
• Valley Home - 0.4
• Waterford - 0.4
• West Modesto - 0.4
• Westley - 0.5