As of 3:13 PM PDT on August 8, 2025, out of 16 cities in Calaveras County, CA in our database, 8 cities (50%) have a UV Index reading of Very High, while 8 cities (50%) have a UV Index reading of High. The city with the highest UV Index reading right now is Arnold, CA with a reading of 7.9.
Over the next 24 hours, the highest UV Index reading in Calaveras County, CA is expected to be 10.1 in Arnold between 1:00 PM - 2:00 PM PDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |