Weld County, CO: Current UV Index and Hourly Forecast

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As of 8:01 AM MDT on October 7, 2026, all 28 cities in Weld County, CO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Greeley, CO with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Weld County, CO is expected to be 5.9 in Erie between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Weld County, CO

• Aristocrat Ranchettes - 0.2
• Ault - 0.2
• Briggsdale - 0.2
• Dacono - 0.2
• Eaton - 0.2
• Erie - 0.2
• Evans - 0.2
• Firestone - 0.2
• Fort Lupton - 0.2
• Frederick - 0.2
• Garden City - 0.2
• Gilcrest - 0.2
• Greeley - 0.2
• Grover - 0.2
• Hudson - 0.2
• Johnstown - 0.2
• Keenesburg - 0.2
• Kersey - 0.2
• La Salle - 0.2
• Lochbuie - 0.2
• Mead - 0.2
• Milliken - 0.2
• Nunn - 0.2
• Pierce - 0.2
• Platteville - 0.2
• Raymer - 0.2
• Severance - 0.2
• Windsor - 0.2