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

As of 2:57 AM MDT on October 10, 2025, all 14 cities in San Juan County, UT in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in San Juan County, UT is expected to be 4.6 in Halls Crossing between 2:00 PM - 3:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in San Juan County, UT as of 2:57 AM MDT, October 10, 2025

Current UV Index in Cities in San Juan County, UT

2:57 AM MDT, October 10, 2025