UV Index Today in Collin County, Texas (TX)
Tuesday, April 7, 2026 - 3:46 AM CDT (GMT-5)
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The average maximum UV Index today across 36 locations in Collin County, Texas (TX), is 7.2. The highest projected maximum is 7.9 in Dallas at 1:00 PM CDT, while the lowest projected maximum is 6.7 in Gunter at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8. The highest projected maximum is 8.1 in Dallas at 1:00 PM CDT, and the lowest projected maximum is 7.8 in Van Alstyne at 1:00 PM CDT.
36 Places in Collin County, Texas (TX)
Maximum UV Index Today