Fri Aug 21st, '26 - Daily Weather for San Antonio

San Antonio Weather Daily · Aug 20, 2026 · 1:31

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Good morning, San Antonio! This is your weather for Friday, August 21st, 2026, and I'm here to make sure you're prepped for the day ahead!

- Morning starts at a comfortable 77 degrees, perfect for a porch coffee or morning walk

- Daytime high rises to a sizzling 104 degrees, so remember sunscreen and hydration

- Evening temperature around 100 degrees, ideal for enjoying San Antonio barbecue

- Night cools to about 87 degrees, great for stargazing under clear skies

- Light southern breeze at about 6 mph

This Friday is shaping up to be a bright one, so soak up the sun and enjoy the start to your weekend. I'll be here tomorrow with more weather updates.