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

As of 2:40 PM PST on January 18, 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 Stockton, CA with a reading of 1.5.

Over the next 24 hours, the highest UV Index reading in San Joaquin County, CA is expected to be 2.5 in Tracy between 12:00 PM - 1:00 PM PST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in San Joaquin County, CA as of 2:40 PM PST, January 18, 2025

Current UV Index in Cities in San Joaquin County, CA

2:40 PM PST, January 18, 2025