Weld County, CO: Current UV Index and Hourly Forecast

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As of 1:03 PM MDT on April 1, 2025, out of 28 cities in Weld County, CO in our database, 18 cities (64%) have a UV Index reading of Moderate, 6 cities (21%) have a UV Index reading of High, while 4 cities (14%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Erie, CO with a reading of 5.6.

Over the next 24 hours, the highest UV Index reading in Weld County, CO is expected to be 5.6 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 - 2.2
• Ault - 5
• Briggsdale - 4.4
• Dacono - 5.6
• Eaton - 5
• Erie - 5.6
• Evans - 3.7
• Firestone - 5.6
• Fort Lupton - 2.2
• Frederick - 5.6
• Garden City - 5
• Gilcrest - 3.7
• Greeley - 5
• Grover - 4.4
• Hudson - 2.2
• Johnstown - 5.6
• Keenesburg - 3.3
• Kersey - 5.1
• La Salle - 3.7
• Lochbuie - 2.2
• Mead - 5.6
• Milliken - 3.7
• Nunn - 4
• Pierce - 4
• Platteville - 3.7
• Raymer - 5.3
• Severance - 5
• Windsor - 2.8