A cool night, then turning warmer You’ll notice a chill tomorrow morning, but it won’t last long
Warmer weather on the way for Christmas Day. (Copyright 2024 by KSAT - All rights reserved.)
FORECAST HIGHLIGHTS FRIDAY: Chilly start, comfortable afternoon (upper 60s)
WEEKEND: Plenty of sun, comfortable
NEXT WEEK: Above average, rain-free
CHRISTMAS EVE & CHRISTMAS DAY: Near 80°
FORECAST WEEKEND CHANGES
Morning fog on Saturday will lead to vast afternoon sunshine and temperatures in the mid 70s. A cold front will move through on Sunday. Because the front will stall, the forecast on Sunday providing a wide range of high temperatures, but in San Antonio we should be in the upper 60s.
Sunday now trending cooler thanks to a cold front (Copyright KSAT-12 2025 - All Rights Reserved) WARM HOLIDAY WEEK
Temperatures should be about 15° above average on Christmas, and you’ll notice a bit of humidity in the air. Other than low morning clouds, plan for a lot of sunshine.
About 15° above average for Christmas and likely one of the top five warmest on record. (Copyright 2024 by KSAT - All rights reserved.) Daily Forecast KSAT meteorologists keep you on top of the ever-changing South Texas weather.
QUICK WEATHER LINKS Copyright 2025 by KSAT - All rights reserved.
About the Authors Justin Horne headshot
Justin Horne is a meteorologist and reporter for KSAT 12 News. When severe weather rolls through, Justin will hop in the KSAT 12 Storm Chaser to safely bring you the latest weather conditions from across South Texas. On top of delivering an accurate forecast, Justin often reports on one of his favorite topics: Texas history.
Sarah Spivey headshot
Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017.
Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KTEN News.
When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.
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