Tuolumne County, CA: Current UV Index and Hourly Forecast

As of 6:45 PM PDT on October 2, 2025, all 17 cities in Tuolumne County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Pine Mountain Lake, CA with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Tuolumne County, CA is expected to be 5.2 in Sonora between 1:00 PM - 2:00 PM PDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Tuolumne County, CA as of 6:45 PM PDT, October 2, 2025

Current UV Index in Cities in Tuolumne County, CA

6:45 PM PDT, October 2, 2025