Happy Sunday! Here’s your weather for Sunday, December 21, 2025, in beautiful San Antonio. Enjoy the day ahead!

- Morning starts cooler at 50 degrees, ideal for a cozy start.

- Daytime high of 76 degrees, perfect for outdoor activities.

- Low humidity at 27% for a comfortable feel.

- Skies are clear; no need for an umbrella.

- Gentle north wind at 5 mph.

- Evening cools to 68 degrees, great for a River Walk stroll or barbecue.

- Night temperature settles at 62 degrees under clear skies.

- Explore San Antonio’s culture and historic sites with lovely weather.

Have a fantastic day and join us again tomorrow for more updates.