UV Index Today in Williamson County, Texas (TX)
Friday, August 7, 2026 -2:18 PM CDT (GMT-5)
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The average maximum UV Index today across 19 locations in Williamson County, Texas (TX), is 10.9. The highest projected maximum is 11 in Liberty Hill at 2:00 PM CDT, while the lowest projected maximum is 10.8 in Pflugerville at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 10.7. The highest projected maximum is 10.9 in Austin at 2:00 PM CDT, and the lowest projected maximum is 10.5 in Georgetown at 1:00 PM CDT.
19 Places in Williamson County, Texas (TX)
Maximum UV Index Today