Upcoming Weather San Antonio 2025 Forecast. Looking ahead to monday, the sun will grace san antonio with another day of radiance and heat, bringing the high up to a toasty 82 degrees while southwest winds blow at. The exact precipitation forecast is still coming into focus but it's likely snow, ice and rain will impact the region.

The exact precipitation forecast is still coming into focus but it’s likely snow, ice and rain will impact the region. Check out our estimated 30 days weather forecast for san antonio, this data is based on the average weather in san antonio in the last few years.