Find the most current and reliable weekend weather forecasts, storm alerts, reports and information for San Antonio, TX, US with The Weather Network. 3 days ago ยท Tonight 5 Day Planner A High Wind Warning is in effect across Kinney, Maverick and Val Verde counties through 8 pm this evening with sustained northwest winds of 35 to 45 mph and gusts up to 60 mph. Weather forecast for San Antonio, Texas, live radar, satellite, severe weather alerts, hour by hour and 7 day forecast temperatures and Hurricane tracking from KSAT Weather Authority PYTY.

weather in san antonio this weekend