UV Index Today in Hays County, Texas (TX)

Wednesday, November 4, 2026 -11:16 AM CST (GMT-6)

The average maximum UV Index today across 17 locations in Hays County, Texas (TX), is 5.5. The highest projected maximum is 5.6 in San Marcos at 1:00 PM CST, while the lowest projected maximum is 5.4 in Austin at 1:00 PM CST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 5. The highest projected maximum is 5.3 in Canyon Lake at 12:00 PM CST, and the lowest projected maximum is 3.3 in San Marcos at 11:00 AM CST.

17 Places in Hays County, Texas (TX)

Maximum UV Index Today
  • Austin - 5.4