UV Index Today in Williamson County, Texas (TX)
Saturday, August 29, 2026 -1:06 PM CDT (GMT-5)
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The average maximum UV Index today across 19 locations in Williamson County, Texas (TX), is 10.1. The highest projected maximum is 10.2 in Austin at 2:00 PM CDT, while the lowest projected maximum is 10 in Sonterra at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 10. The highest projected maximum is 10.1 in Liberty Hill at 2:00 PM CDT, and the lowest projected maximum is 9.9 in Pflugerville at 1:00 PM CDT.
19 Places in Williamson County, Texas (TX)
Maximum UV Index Today