UV Index Today in Texas (TX)

Friday, May 22, 2026 -1:37 PMCDT (GMT-5)

The average maximum UV Index today across 1,272 locations in Texas (TX), is 9.2. The highest projected maximum is 10.7 in Brownsville at 1:00 PM CDT, while the lowest projected maximum is 4.9 in Texarkana at 1:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.3. The highest projected maximum is 10.4 in Palmview at 2:00 PM CDT, and the lowest projected maximum is 2.1 in Llano at 4:00 PM CDT.

251 Counties in Texas (TX)

Average Maximum UV Index Today
  • Bell County - 9
  • Bexar County - 9.3
  • Brazoria County - 9.7
  • Cameron County - 10.6
  • Collin County - 8.7
  • Dallas County - 8.5
  • Denton County - 8.8
  • El Paso County - 9.9
  • Fort Bend County - 9.6
  • Galveston County - 9.8
  • Harris County - 9.6
  • Hays County - 9.1
  • Hidalgo County - 10.5
  • Jefferson County - 9.8
  • Lubbock County - 9.3
  • McLennan County - 8.9
  • Montgomery County - 9.4
  • Nueces County - 10
  • Tarrant County - 8.8
  • Travis County - 9.1
  • Webb County - 10.4
  • Williamson County - 9

1272 Places in Texas (TX)

Maximum UV Index Today
  • Arlington - 8.9
  • Austin - 9.1
  • Corpus Christi - 9.9
  • Dallas - 8.1
  • El Paso - 9.9
  • Fort Worth - 8.9
  • Houston - 9.5
  • Irving - 8
  • Laredo - 10.4
  • Lubbock - 9.3
  • Plano - 8.8
  • San Antonio - 9.2