Texas Weather Alert Today: San Antonio Wakes to 37°F Cold Snap Before Warm Surge Into Friday 2026

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Texas – Cold air settles across south-central Texas this morning, catching early risers off guard. Breath hangs in the air, windshields feel icy, and neighborhoods wake under clear, quiet skies.

In the San Antonio area, temperatures hover in the upper 30s early, with calm winds limiting wind chill concerns. Roads remain dry across Bexar County, keeping travel impacts minimal despite the winter feel. Still, drivers should watch shaded bridges for brief slick spots through sunrise.

The chill fades quickly. Sunshine takes over by mid-morning, pushing temperatures toward the upper 60s this afternoon. It feels more like early spring than late December. Outdoor plans, errands, and daytime travel should remain smooth.

Tonight stays mostly clear and milder, with lows near the mid-40s. New Year’s Eve celebrations ring in 2026 under calm skies and comfortable conditions. Jackets remain useful late, but no weather disruptions are expected.

New Year’s Day brings a dramatic warm-up. Highs surge into the low 70s, with light breezes adding to the pleasant feel. Holiday travel across I-35 and Loop 410 remains easy, with no rain or fog concerns.

By Friday, temperatures climb even higher. Afternoon highs near the mid-80s signal a strong shift away from winter. Meteorologists note this warm pattern holding into the first weekend of 2026. Saturday stays sunny and warm, with highs near the upper 70s before slightly cooler nights return.

For now, Texas sits far from the snow and storms affecting other regions. Enjoy the sunshine, dress in layers early, and plan hydration for the warmer afternoons ahead. How warm does it feel in your neighborhood this morning?


Five-Day Outlook: San Antonio, TX

  • Today (New Year’s Eve): Sunny; high near 67°F
  • Tonight: Mostly clear; low near 45°F
  • New Year’s Day: Mostly sunny; high near 73°F
  • Friday: Sunny and warm; high near 85°F
  • Saturday: Sunny; high near 78°F