Collin County, TX: Current UV Index and Hourly Forecast

As of 6:26 PM CDT on August 28, 2025, all 25 cities in Collin County, TX in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Plano, TX with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Collin County, TX is expected to be 7.8 in Plano between 2:00 PM - 3:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Collin County, TX as of 6:26 PM CDT, August 28, 2025

Current UV Index in Cities in Collin County, TX

6:26 PM CDT, August 28, 2025