Fri Sep 18th, '26 - Daily Weather for San Antonio

Hello and happy Friday! It’s September 18th, 2026, and here’s your weather update for beautiful San Antonio. - Morning temperatures start at a mild 76 degrees - Midday high climbs to a sizzling 97 degrees with light rain - Cloud cover at 18%, so expect some sun with those clouds - Slight rain expected with over half an inch possible - Winds from the southeast at 3 mph, with gusts up to 9 mph - Afternoon and evening stay warm around 94 degrees - Nighttime cools down to about 84 degrees Thanks for tuning in today. Have a great day and join us tomorrow for more updates.