San Francisco County, CA: Current UV Index and Hourly Forecast

As of 12:42 PM PST on December 8, 2024, all 1 cities in San Francisco County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is San Francisco, CA with a reading of 2.1.

Over the next 24 hours, the highest UV Index reading in San Francisco County, CA is expected to be 2.1 in San Francisco between 12:00 PM - 1:00 PM PST today.

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UV Index Risk Levels
Range 0 - 23 - 56 - 78 - 1011+
Color
Risk LowModerateHighVery HighExtreme
UV Index in San Francisco County, CA as of 12:42 PM PST, December 8, 2024

Current UV Index in Cities in San Francisco County, CA

12:42 PM PST, December 8, 2024