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

As of 12:52 PM PDT on April 1, 2025, out of 28 cities in San Joaquin County, CA in our database, 24 cities (86%) have a UV Index reading of Low, while 4 cities (14%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Terminous, CA with a reading of 3.8.

Over the next 24 hours, the highest UV Index reading in San Joaquin County, CA is expected to be 4.9 in Tracy between 2:00 PM - 3:00 PM PDT today.

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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 12:52 PM PDT, April 1, 2025

Current UV Index in Cities in San Joaquin County, CA

12:52 PM PDT, April 1, 2025