UV Index Today in Collin County, Texas (TX)
Friday, August 7, 2026 -1:14 PM CDT (GMT-5)
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The average maximum UV Index today across 36 locations in Collin County, Texas (TX), is 9.8. The highest projected maximum is 10 in Carrollton at 1:00 PM CDT, while the lowest projected maximum is 9.7 in Royse City at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 9.1. The highest projected maximum is 10.1 in Van Alstyne at 1:00 PM CDT, and the lowest projected maximum is 6.2 in Pilot Point at 3:00 PM CDT.
36 Places in Collin County, Texas (TX)
Maximum UV Index Today