The latest forecast from Your Weather Authority (Copyright KSAT-12 2026 - All Rights Reserved)
FORECAST HIGHLIGHTS
HOT, BUT NOT *TOO* HOT: Highs average for this time of year (low- to mid-90s)
STRAY SHOWER: Possible Thursday through July 4th (10%)
BETTER SHOT AT RAIN?: Slightly better chance Sunday into Monday (20%-30%)
FORECAST
WEDNESDAY
Very similar weather tomorrow! Morning clouds will quickly clear to total sunshine. Highs will be in the low- to mid-90s with a heat index near 100°.
STRAY SHOWER THURSDAY THROUGH SATURDAY
A stray shower or two will be possible as the sea breeze becomes active. The odds of seeing a shower are very low (10%) and any activity will be short-lived.
JULY 4TH
No major issues for your July 4th forecast (Copyright KSAT-12 2026 - All Rights Reserved)
A smidge hotter with highs in the mid- to upper-90s. Other than a very low chance (10%) for a coastal shower, it will stay dry. As for firework displays, it will be warm and in the 80s, but breezy. If you’re setting off fireworks, be very careful with the breeze.
BETTER SHOT AT RAIN?
A weak area of low pressure may bring rain chances up slightly by Sunday into Monday. (Copyright KSAT-12 2026 - All Rights Reserved)
A weak area of low pressure will attempt to form near the area Sunday into Monday. Depending on its location, odds of rain may go up slightly. Right now, chances sit at 20%-30%. We’ll keep you posted!
The latest forecast from Your Weather Authority (Copyright KSAT-12 2026 - All Rights Reserved)
Daily Forecast
KSAT meteorologists keep you on top of the ever-changing South Texas weather.
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.
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.