As of 1:55 PM PDT on June 5, 2025, out of 56 cities in San Diego County, CA in our database, 42 cities (75%) have a UV Index reading of Very High, while 14 cities (25%) have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Campo, CA with a reading of 11.3.
Over the next 24 hours, the highest UV Index reading in San Diego County, CA is expected to be 11.3 in Campo between 1:00 PM - 2:00 PM PDT today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |