UV Index Today in Larimer County, Colorado (CO)
Tuesday, April 7, 2026 - 2:47 AM MDT (GMT-6)
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The average maximum UV Index today across 11 locations in Larimer County, Colorado (CO), is 6.8. The highest projected maximum is 7.1 in Johnstown at 1:00 PM MDT, while the lowest projected maximum is 6.5 in Estes Park at 12:00 PM MDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.9. The highest projected maximum is 7.5 in Estes Park at 1:00 PM MDT, and the lowest projected maximum is 6.4 in Wellington at 12:00 PM MDT.
11 Places in Larimer County, Colorado (CO)
Maximum UV Index Today