UV Index for San Francisco County, California

UV Index Forecast for San Francisco County, California

Below is an interactive map of San Francisco County, ca, USA. The markers on the map identify large, populated cities in San Francisco County. If you hover over a marker, it will display the city name and the current UV index. The color of the city markers also references the current UV risk level.

The city with the highest UV index this hour (2:00 pm) in San Francisco County, ca is San Francisco at 8.2. Today, the peak UV index for San Francisco County will be in San Francisco, ca around 1:00 pm at 8.5 (Very High). Over the next five days the peak UV index in San Francisco County will be 9.6 (Very High) and will occur on Wednesday, May 18th in San Francisco, ca around 1:00 pm.

Range 1-2 3-5 6-7 8-10 11+
Color
Risk Low Moderate High Very High Extreme

Last Updated 15 minutes ago

UV Index Forecast by City in San Francisco County

Below is a list of cities in San Francisco County, ca where we track and forecast the UV index. Click on a city name to get the current UV index, hourly UV index for the day and the next five days.