| NWS Forecast for: Williamson County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 434 PM CDT Wed Aug 12 2026 | |
| Tonight: Clear. Lows in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Thursday: Mostly sunny. Hot with highs around 100. South winds 10 to 15 mph with gusts up to 25 mph. Thursday Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph. Friday: Partly cloudy in the morning, then clearing. Highs in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph. Highest heat index readings up to 107. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph. Saturday: Mostly sunny. Highs in the upper 90s. Highest heat index readings up to 105. Saturday Night Through Wednesday: Clear. Lows in the mid 70s. Highs in the upper 90s. | |
| Zone Forecast: Williamson County | |
Visit your local NWS office at: https://www.weather.gov/ewx |