As of 2:55 PM PDT on May 18, 2026, out of 34 cities in Sacramento County, CA in our database, 22 cities (65%) have a UV Index reading of Very High, while 12 cities (35%) have a UV Index reading of High. The city with the highest UV Index reading right now is Sacramento, CA with a reading of 7.6.
Over the next 24 hours, the highest UV Index reading in Sacramento County, CA is expected to be 8.1 in Rancho Murieta between 1:00 PM - 2:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |