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

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As of 2:30 PM PDT on May 14, 2025, out of 28 cities in San Joaquin County, CA in our database, 27 cities (96%) have a UV Index reading of Very High, while 1 city (4%) have a UV Index reading of High. The city with the highest UV Index reading right now is Tracy, CA with a reading of 7.8.

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 - 7.6
• August - 7.7
• Collierville - 7.6
• Country Club - 7.7
• Dogtown - 7.6
• Escalon - 7.8
• Farmington - 7.8
• French Camp - 7.7
• Garden Acres - 7.7
• Kennedy - 7.7
• Lathrop - 7.7
• Lincoln Village - 7.7
• Linden - 7.8
• Lockeford - 7.6
• Lodi - 7.7
• Manteca - 7.7
• Morada - 7.7
• Mountain House - 7.8
• Peters - 7.8
• Ripon - 7.7
• Stockton - 7.7
• Taft Mosswood - 7.7
• Terminous - 7.6
• Thornton - 7.4
• Tracy - 7.8
• Victor - 7.6
• Waterloo - 7.7
• Woodbridge - 7.6