San Antonio, Texas, December 18, 2025
San Antonio is preparing for a significant cold front expected to bring a drop in temperatures and gusty winds. On December 17, temperatures will plummet to the mid-60s with lows in the low 40s, accompanied by north winds gusting between 35 to 50 mph. Residents are advised to dress in layers and secure outdoor items as they prepare for this notable weather change. This cold front will extend its impact across much of Texas, necessitating precautions during travel and outdoor activities.
San Antonio Braces for a Strong Cold Front Bringing Temperature Drop
San Antonio, Texas – A strong cold front is expected to sweep through San Antonio and surrounding areas on Wednesday, December 17, bringing a substantial drop in temperatures and gusty winds. Residents should prepare for a noticeable change in weather conditions as the front moves through the region.
Impact on San Antonio
On Wednesday, temperatures are forecasted to drop significantly, with highs in the mid-60s and lows in the low 40s. Gusty north winds of 35 to 50 mph will accompany the front, leading to a noticeable wind chill effect. These conditions are expected to persist into Thursday, with temperatures remaining cooler than the unseasonably warm conditions experienced earlier in the week.
Timing of the Cold Front
The cold front is anticipated to move through San Antonio on Wednesday morning, bringing cooler and drier air to the region. The front is expected to reach South and Southeast Texas overnight into Wednesday morning, with temperatures continuing to drop as the day progresses.
Broader Regional Impact
The cold front is not limited to San Antonio; it is expected to affect much of Texas, including North Texas, where temperatures are projected to drop into the 40s by Wednesday morning. Gusty winds and a brief round of showers are also anticipated in these areas. Residents across the state should stay informed about local weather updates and take necessary precautions as the front approaches.
Background Context
Cold fronts are common in Texas, often bringing rapid changes in weather conditions. This particular front is notable for its strength and the significant temperature drop it is expected to bring. Such fronts can lead to increased fire danger due to dry conditions and strong winds, as well as potential impacts on outdoor activities and travel. It’s important for residents to stay updated with local weather forecasts and heed any advisories or warnings issued by authorities.
Weather Forecast for San Antonio, TX
## Weather for San Antonio, TX: Current Conditions: Cloudy, 63°F (17°C) Daily Forecast: * Wednesday, December 17: Low: 58°F (14°C), High: 65°F (18°C), Description: Cloudy with brief showers * Thursday, December 18: Low: 43°F (6°C), High: 80°F (27°C), Description: Mostly sunny, record-tying warmth and less humid * Friday, December 19: Low: 50°F (10°C), High: 68°F (20°C), Description: Not as warm with plenty of sunshine
Key Features of the Cold Front Impact
| Feature | Details |
|---|---|
| Temperature Drop | Highs in the mid-60s and lows in the low 40s on Wednesday, with temperatures remaining cooler into Thursday. |
| Wind Gusts | North winds gusting up to 50 mph, leading to a noticeable wind chill effect. |
| Timing | The front is expected to move through San Antonio on Wednesday morning, December 17. |
| Precipitation | Possibility of brief showers as the front moves through, but widespread precipitation is not anticipated. |
| Preparation | Residents should dress in layers, secure outdoor items, and stay informed about local weather updates. Exercise caution when driving due to strong winds. |
Frequently Asked Questions (FAQ)
What is a cold front?
A cold front is a boundary between a mass of cold air and a mass of warm air. When a cold front moves into an area, it typically brings a drop in temperature, changes in wind direction, and often precipitation.
How will the cold front affect San Antonio?
The cold front is expected to bring a significant drop in temperatures, with highs in the mid-60s and lows in the low 40s. Gusty north winds of 35 to 50 mph will accompany the front, leading to a noticeable wind chill effect.
When will the cold front arrive in San Antonio?
The cold front is anticipated to move through San Antonio on Wednesday morning, December 17, bringing cooler and drier air to the region.
Will there be any precipitation with this cold front?
While the primary impact of this cold front is expected to be a drop in temperature and gusty winds, there is a possibility of brief showers as the front moves through. However, widespread precipitation is not anticipated.
How should residents prepare for the cold front?
Residents should dress in layers to accommodate the temperature drop, secure any outdoor items that could be affected by strong winds, and stay informed about local weather updates. It’s also advisable to exercise caution when driving, as strong winds can make travel conditions challenging.
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The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.
