UV Index Today in Collin County, Texas (TX)
Wednesday, July 15, 2026 -11:56 AM CDT (GMT-5)
- Home
- United States
- Texas
- Collin County
The average maximum UV Index today across 36 locations in Collin County, Texas (TX), is 9.2. The highest projected maximum is 10.2 in Dallas at 1:00 PM CDT, while the lowest projected maximum is 8.1 in Farmersville at 3:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 3.2. The highest projected maximum is 8.9 in Trenton at 1:00 PM CDT, and the lowest projected maximum is 1.3 in Dallas at 2:00 PM CDT.
36 Places in Collin County, Texas (TX)
Maximum UV Index Today