Williamson County, TX: Current UV Index and Hourly Forecast

As of 5:04 AM CDT on April 24, 2025, all 18 cities in Williamson County, TX in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Williamson County, TX is expected to be 9 in Sonterra between 2:00 PM - 3:00 PM CDT today.

Search Cities in Williamson County, TX

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Williamson County, TX as of 5:04 AM CDT, April 24, 2025

Current UV Index in Cities in Williamson County, TX

5:04 AM CDT, April 24, 2025