San Juan County, UT: Current UV Index and Hourly Forecast

As of 11:58 AM MDT on August 29, 2025, out of 14 cities in San Juan County, UT in our database, 7 cities (50%) have a UV Index reading of Low, 4 cities (29%) have a UV Index reading of High, while 3 cities (21%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Navajo Mountain, UT with a reading of 6.3.

Over the next 24 hours, the highest UV Index reading in San Juan County, UT is expected to be 10 in Navajo Mountain between 1:00 PM - 2:00 PM MDT today.

Search Cities in San Juan County, UT

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in San Juan County, UT as of 11:58 AM MDT, August 29, 2025

Current UV Index in Cities in San Juan County, UT

11:58 AM MDT, August 29, 2025