Marathon Forecast (Copyright 2025 by KSAT - All rights reserved.)
FORECAST HIGHLIGHTS
COLD AM, SUNNY PM: Cold mornings ahead
TEMPERATURE SWINGS: Mixture of 60s and 70s
STAYING DRY: Much drier this coming week
FORECAST
MARATHON FORECAST
Runners will have a cool start, but it’ll be cloudy with areas of fog near and south of I-35. The fog clears up by 10am when a front moves through.
Marathon Forecast (Copyright 2025 by KSAT - All rights reserved.)
TEMPERATURE SWINGS
The roller coaster continues, as temperatures drop back to the 60s heading into the work week. Expect some cold mornings to start the week too.
We heat back to the upper 70s and low 80s to end the week, before another front pushes in for next weekend.
NEXT WEEK
As for the rain outlook, don’t expect any relief just yet. The upcoming week features nothing but sunshine. If you’ve got plans outside, enjoy the stretch of dry and pleasant weather.
7 day forecast (Copyright 2025 by KSAT - All rights reserved.)
Daily Forecast
KSAT meteorologists keep you on top of the ever-changing South Texas weather.
Shelby Ebertowski joined KSAT 12 News in January 2025. She came to San Antonio from Fargo, North Dakota via the University of North Dakota, where she learned the ropes as a weekend forecaster over two years at KVLY. Her love of weather love began after experiencing Hurricane Harvey in 2017.
Elliot Wilson is a Weather Authority Meteorologist at KSAT. He has been passionate about the weather since he was a kid. His career has taken him from the Midwest to the Plains and to the South. He's excited to be back in the Lone Star State, and is happy to be near the ocean!