San Antonio 2 Week Weather Forecast 2025 Forecast. 30dayweather long range weather forecasts predict ideal conditions for a storm. Just after the season’s first major winter storm, snow and ice are set to sweep across texas and into the carolinas this week.

San antonio is bracing for the possibility of freezing rain or even snow later this week amid plummeting morning temperatures. Up to 90 days of daily highs, lows, and precipitation chances.