As of 12:34 PM PDT on April 1, 2025, out of 32 cities in Shasta County, CA in our database, 26 cities (81%) have a UV Index reading of Low, while 6 cities (19%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Castella, CA with a reading of 3.4.
Over the next 24 hours, the highest UV Index reading in Shasta County, CA is expected to be 4.8 in Ono 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 |