Contra Costa County, CA: Current UV Index and Hourly Forecast

As of 9:04 PM PST on January 23, 2025, all 50 cities in Contra Costa 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 Contra Costa County, CA is expected to be 2.3 in Concord between 12:00 PM - 1:00 PM PST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Contra Costa County, CA as of 9:04 PM PST, January 23, 2025

Current UV Index in Cities in Contra Costa County, CA

9:04 PM PST, January 23, 2025