Grand County, CO: Current UV Index and Hourly Forecast

As of 12:00 PM MDT on June 28, 2025, out of 8 cities in Grand County, CO in our database, 6 cities (75%) have a UV Index reading of Extreme, while 2 cities (25%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Fraser, CO with a reading of 10.7.

Over the next 24 hours, the highest UV Index reading in Grand County, CO is expected to be 11.2 in Fraser between 1:00 PM - 2:00 PM MDT today.

Search Cities in Grand County, CO

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grand County, CO as of 12:00 PM MDT, June 28, 2025

Current UV Index in Cities in Grand County, CO

12:00 PM MDT, June 28, 2025