| NWS Forecast for: Williamson County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 400 PM CDT Mon Mar 16 2026 | |
Tonight: Partly cloudy this evening, then clearing. Cold with lows in the lower 30s. Northeast winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight. Tuesday: Sunny. Not as cool with highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Tuesday Night: Mostly clear. Not as cool with lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph. Wednesday: Mostly sunny. Not as cool with highs in the upper 70s. South winds 10 to 15 mph. Wednesday Night: Mostly clear. Lows in the lower 50s. South winds 5 to 10 mph. Thursday And Thursday Night: Clear. Highs in the mid 80s. Lows in the upper 50s. Friday Through Sunday Night: Clear. Highs in the lower 90s. Lows around 60. Monday: Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s. | |
| Zone Forecast: Williamson County | |
Visit your local NWS office at: https://www.weather.gov/ewx |