UV Index Today in Harris County, Texas (TX)
Wednesday, July 15, 2026 -11:57 AM CDT (GMT-5)
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The average maximum UV Index today across 51 locations in Harris County, Texas (TX), is 1.6. The highest projected maximum is 1.9 in League City at 2:00 PM CDT, while the lowest projected maximum is 1.3 in Spring 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 11.1 in Dayton at 1:00 PM CDT, and the lowest projected maximum is 6.8 in Waller at 1:00 PM CDT.
51 Places in Harris County, Texas (TX)
Maximum UV Index Today