San Antonio

San Antonio's Weather Rollercoaster: From Misty Mornings to Sunny Skies with a Midweek Chill

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Published on October 27, 2025
San Antonio's Weather Rollercoaster: From Misty Mornings to Sunny Skies with a Midweek ChillSource: Google Street View

San Antonians can expect a mix of misty mornings and sunny days this week, with temperatures flirting with the 90s before taking a noticeable dip, according to the latest weather forecasts. While today's weather includes patchy fog before 9 am, the fog is expected to clear up, paving the way for mostly sunny skies with a high near 89, as per the information from the National Weather Service. The calm winds will shift south-southwest around 5 mph in the afternoon.

Tonight will be mostly clear with lows near 70°F and light southeast winds. Patchy morning fog is expected on Tuesday before temperatures climb to around 90°F. Winds will shift to the north in the afternoon, with gusts up to 25 mph signaling a change in the midweek weather.

Wednesday will be sunny but cooler, with a high near 71°F and strong north winds around 15 mph, gusting up to 30 mph. Skies stay clear Wednesday night as temperatures drop to about 49°F. North-northwest winds could still gust up to 20 mph, according to the National Weather Service.

Thursday and Friday will stay cool and sunny, with highs rising from about 73°F to 76°F. Nights will be clear and comfortable, with lows in the upper 40s to mid-50s. The warm weather returns for the weekend. Expect plenty of sunshine, with highs near 81°F on Saturday and 84°F on Sunday.

This week will bring changing temperatures and conditions, so keep both sunglasses and sweaters handy. For the latest updates, check the National Weather Service at forecast.weather.gov.