Sat Mar 21st, '26 - Daily Weather for San Antonio

Hello and a happy Saturday to you! Here is your weather for March 21st, 2026 in sunny San Antonio. - Morning temperature around 58 degrees, ideal for a River Walk stroll - Daytime high of 91 degrees, clear skies and perfect for outdoor activities - Winds from the south-southeast at 5 mph, gentle and charming - Evening temperature still warm at 86 degrees, perfect for a barbecue - Night temperatures drop to a cozy 68 degrees - Humidity at a comfortable 32 percent, great for enjoying the outdoors Thanks for tuning in today and have an amazing day in San Antonio!