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Christmas weekend will be muggy and warm in San Antonio

Stubborn morning fog & drizzle will give way to sunny, warm afternoons

Mornings will feature fog & drizzle, then we'll have afternoon sun and warm weather in the afternoon. (Copyright 2021 by KSAT - All rights reserved.)

We’ve seen temperatures and the humidity steadily rise over the last few days, with morning clouds, fog, and patchy drizzle. These clouds have been stubborn, sticking around the I-35 corridor until lunch, with sunshine in the afternoon. We’ll continue this trend Christmas weekend, with temperatures climbing to near 80° Saturday and Sunday afternoons. 🎅☀️

Here’s what you need to know:

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CHRISTMAS DAY

  • The morning will be mild, near 60°
  • There will be morning clouds, fog, and patchy drizzle
  • Clouds will be stubborn in the morning, but skies will clear in after lunch.
  • Highs will likely be in the low-80s around San Antonio, mid- to upper-80s elsewhere
It'll be all-around warm Christmas afternoon. (Copyright 2021 by KSAT - All rights reserved.)

SUNDAY (Boxing Day)

  • “Ditto” weather with morning clouds, fog, and patchy drizzle. Then, we’ll see afternoon sun and a high near 80°.

7-DAY FORECAST

It’s looking like the warm, muggy weather will stick with us through the remainder of 2021, with a cold front unlikely in the immediate future.

The latest 7 Day forecast from Your Weather Authority (Copyright 2021 by KSAT - All rights reserved.)

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About the Author
Sarah Spivey headshot

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.

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