Weld County, CO: Current UV Index and Hourly Forecast

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As of 7:39 AM MDT on October 20, 2025, all 28 cities in Weld 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 Weld County, CO is expected to be 4.1 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
• Ault - 0
• Briggsdale - 0
• Dacono - 0
• Eaton - 0
• Erie - 0
• Evans - 0
• Firestone - 0
• Fort Lupton - 0
• Frederick - 0
• Garden City - 0
• Gilcrest - 0
• Greeley - 0
• Grover - 0
• Hudson - 0
• Johnstown - 0
• Keenesburg - 0
• Kersey - 0
• La Salle - 0
• Lochbuie - 0
• Mead - 0
• Milliken - 0
• Nunn - 0
• Pierce - 0
• Platteville - 0
• Raymer - 0
• Severance - 0
• Windsor - 0