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Autumn appetizer on the way 🍂

A surge of drier air and cooler mornings on the way

San Antonio morning low temperature forecast as of 9/5/24 (Copyright 2024 by KSAT - All rights reserved.)
FORECAST HIGHLIGHTS
  • Stray downpours this evening, then rain chances pretty much done until Tuesday
  • Low Humidity starting Saturday evening
  • Cooler mornings in the lower 60s Sunday & Monday
FORECAST

A taste of fall is on the way with the coolest temperatures since May for San Antonio.

The changes will start Saturday afternoon when you’ll notice dry air/low humidity, and that dry air will remain in place Sunday and Monday. Dry air cools more efficiently than humid air, so temperatures Saturday night will quickly drop and eventually settle in the lower 60s by sunrise on Sunday. Monday morning will be similar.

Afternoon highs will still rise to near 90°, but it’ll feel better because of the lack of humidity in the air.

After this evening’s highly isolated downpours, rain chances are pretty much done until next Tuesday when the humidity returns and upper-level energy streams overhead. Not much is expected at this time on Tuesday, but Wednesday holds a bit more potential.

San Antonio rain chances as of 9/5/24 (Copyright 2024 by KSAT - All rights reserved.)

About the Author
Adam Caskey headshot

Adam Caskey has been a meteorologist with KSAT's Weather Authority team since April 2014. He previously worked in North Dakota and Washington, D.C., where he earned the "Certified Broadcast Meteorologist" designation by the American Meteorological Association. A native Minnesotan, Adam loves to fish and enjoys the outdoors.

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