San Joaquin County, CA: Current UV Index and Hourly Forecast

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As of 2:30 PM PDT on June 5, 2025, all 28 cities in San Joaquin County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Tracy, CA with a reading of 8.4.

Over the next 24 hours, the highest UV Index reading in San Joaquin County, CA is expected to be 8.6 in Tracy between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in San Joaquin County, CA

• Acampo - 8.1
• August - 8.2
• Collierville - 8.1
• Country Club - 8.2
• Dogtown - 8.1
• Escalon - 8.2
• Farmington - 8.2
• French Camp - 8.2
• Garden Acres - 8.2
• Kennedy - 8.2
• Lathrop - 8.2
• Lincoln Village - 8.2
• Linden - 8.2
• Lockeford - 8.1
• Lodi - 8.2
• Manteca - 8.2
• Morada - 8.2
• Mountain House - 8.4
• Peters - 8.2
• Ripon - 8.2
• Stockton - 8.2
• Taft Mosswood - 8.2
• Terminous - 8.2
• Thornton - 8.1
• Tracy - 8.4
• Victor - 8.1
• Waterloo - 8.2
• Woodbridge - 8.1