UV Index Today in Sonoma County, California (CA)
Sunday, September 20, 2026 -9:23 AM PDT (GMT-7)
- Home
- United States
- California
- Sonoma County
The average maximum UV Index today across 29 locations in Sonoma County, California (CA), is 6.4. The highest projected maximum is 6.7 in Petaluma at 1:00 PM PDT, while the lowest projected maximum is 5.8 in Black Point-Green Point at 12:00 PM PDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.4. The highest projected maximum is 6.5 in Black Point-Green Point at 1:00 PM PDT, and the lowest projected maximum is 5.8 in Bodega Bay at 1:00 PM PDT.
29 Places in Sonoma County, California (CA)
Maximum UV Index Today