UV Index Today in Collin County, Texas (TX)
Friday, May 22, 2026 -1:38 PMCDT (GMT-5)
- Home
- United States
- Texas
- Collin County
The average maximum UV Index today across 36 locations in Collin County, Texas (TX), is 8.7. The highest projected maximum is 9 in Trenton at 1:00 PM CDT, while the lowest projected maximum is 8.1 in Dallas at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8.7. The highest projected maximum is 8.9 in Plano at 2:00 PM CDT, and the lowest projected maximum is 8.3 in Dallas at 2:00 PM CDT.
36 Places in Collin County, Texas (TX)
Maximum UV Index Today