Tuolumne County, CA: Current UV Index and Hourly Forecast

As of 8:06 PM PDT on May 21, 2025, all 17 cities in Tuolumne County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Tuolumne County, CA is expected to be 9.7 in Phoenix Lake 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 8:06 PM PDT, May 21, 2025

Current UV Index in Cities in Tuolumne County, CA

8:06 PM PDT, May 21, 2025