Summit County, CO: Current UV Index and Hourly Forecast

As of 11:50 AM MDT on June 28, 2025, all 9 cities in Summit County, CO in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Montezuma, CO with a reading of 9.1.

Over the next 24 hours, the highest UV Index reading in Summit County, CO is expected to be 11.3 in Breckenridge between 1:00 PM - 2:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Summit County, CO as of 11:50 AM MDT, June 28, 2025

Current UV Index in Cities in Summit County, CO

11:50 AM MDT, June 28, 2025