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

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As of 10:18 AM PST on December 22, 2025, all 28 cities in San Joaquin County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Escalon, CA with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in San Joaquin County, CA is expected to be 1.4 in Linden between 12:00 PM - 1:00 PM PST today.

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Current UV Index in Cities in San Joaquin County, CA

• Acampo - 0.1
• August - 0.3
• Collierville - 0.1
• Country Club - 0.3
• Dogtown - 0.1
• Escalon - 0.6
• Farmington - 0.5
• French Camp - 0.3
• Garden Acres - 0.3
• Kennedy - 0.3
• Lathrop - 0.5
• Lincoln Village - 0.3
• Linden - 0.5
• Lockeford - 0.1
• Lodi - 0.3
• Manteca - 0.5
• Morada - 0.3
• Mountain House - 0.3
• Peters - 0.5
• Ripon - 0.5
• Stockton - 0.3
• Taft Mosswood - 0.3
• Terminous - 0.1
• Thornton - 0.4
• Tracy - 0.3
• Victor - 0.1
• Waterloo - 0.3
• Woodbridge - 0.1