San Antonio, Texas – Cooler overnight temperatures are affecting the San Antonio area, followed by a rapid warming trend expected through the end of the week, according to the National Weather Service.
As of early Tuesday morning, conditions at San Antonio International Airport showed overcast skies with a temperature of 47 degrees. Light north winds near 10 mph were producing a cool start to the day. Overnight lows are expected to fall to around 41 degrees, with some outlying areas dipping closer to the mid-30s.
According to the National Weather Service forecast, Tuesday will become mostly sunny with highs reaching near 60 degrees. Winds will gradually shift and weaken during the afternoon, allowing temperatures to rebound comfortably after the cool morning. Clear skies return Tuesday night, bringing overnight lows down to around 36 degrees.
Wednesday continues the warming trend, with sunny skies and highs near 66 degrees. Wednesday night will be partly cloudy, with lows around 44 degrees. New Year’s Day is expected to be mostly sunny and mild, with afternoon highs reaching approximately 74 degrees across the San Antonio metro area.
The warm-up accelerates heading into the end of the week. Thursday night lows remain mild near 54 degrees, followed by a notably warm Friday. High temperatures are forecast to climb to around 84 degrees under sunny skies, well above seasonal averages for late December and early January. Dry conditions are expected to persist, with no significant precipitation indicated through the weekend.
The combination of cool mornings and much warmer afternoons may impact commuters, students, and outdoor workers, particularly during early morning hours when temperatures are at their lowest. Residents are advised to dress in layers and remain mindful of rapid temperature changes throughout the day.
While no hazardous weather advisories are currently in effect, residents are encouraged to monitor weather.gov for updated forecasts as the unusually warm pattern develops across south-central Texas.





