Lassen County, CA: Current UV Index and Hourly Forecast

As of 11:44 PM PDT on July 5, 2025, all 16 cities in Lassen 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 Lassen County, CA is expected to be 10.7 in Janesville 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 Lassen County, CA as of 11:44 PM PDT, July 5, 2025

Current UV Index in Cities in Lassen County, CA

11:44 PM PDT, July 5, 2025