Summit County, CO: Current UV Index and Hourly Forecast

As of 7:35 AM MDT on August 29, 2025, all 9 cities in Summit County, CO 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 Summit County, CO is expected to be 5.6 in Montezuma between 11:00 AM - 12:00 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 7:35 AM MDT, August 29, 2025

Current UV Index in Cities in Summit County, CO

7:35 AM MDT, August 29, 2025