UV Index Today in Collin County, Texas (TX)
Saturday, August 29, 2026 -1:06 PM CDT (GMT-5)
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The average maximum UV Index today across 36 locations in Collin County, Texas (TX), is 9.5. The highest projected maximum is 9.7 in Carrollton at 1:00 PM CDT, while the lowest projected maximum is 9.5 in Wylie at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 9.6. The highest projected maximum is 9.6 in Plano at 1:00 PM CDT, and the lowest projected maximum is 9.4 in Dallas at 1:00 PM CDT.
36 Places in Collin County, Texas (TX)
Maximum UV Index Today