Cool front to drop temps, bring rain by the weekend Afternoon temperatures will fall from the 80s into the 50s
Afternoon high temperatures for the next six days (KSAT 12)
After several warm and muggy days, we’re in for a bit of a cool down by the end of the week.
What you need to know A cold front will arrive Friday morning, dropping temperatures into the 50s throughout the day.
Winds will switch to the north at 15 to 25 mph, gusting up to 30 mph.
Scattered rain and a few thunderstorms will be around throughout the day Friday and much of Saturday.
Up to a half-inch of rainfall will be possible for the majority of the KSAT 12 viewing area.
Some localized rainfall totals could approach 2 inches from Friday through late Sunday.
Skies will start to clear on Sunday, and we’ll be warm again by early next week.
San Antonio's Planning Forecast (KSAT 12) Keep checking KSAT.com and the updated KSAT Weather App for the latest forecast. For now, check out the latest forecast video below:
Copyright 2020 by KSAT - All rights reserved.
About the Authors 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.
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.
How to protect your pets during cold weather in South Texas ▶ 2:11
How to protect your pets during cold weather in South Texas
Kerrville landowner plans monument to honor volunteers who aided during deadly July 4 floods ▶ 1:48
Kerrville landowner plans monument to honor volunteers who aided during deadly July 4 floods
Woman arrested, accused of fatally shooting man in west Bexar County, sheriff says ▶ 1:51
Woman arrested, accused of fatally shooting man in west Bexar County, sheriff says
From Hill Country flooding to Bexar County wildfires, here are the Top 5 weather events of 2025 ▶ 2:16
From Hill Country flooding to Bexar County wildfires, here are the Top 5 weather events of 2025
US Army veteran from Texas credits wilderness therapy for helping adjust to civilian life ▶ 0:55
US Army veteran from Texas credits wilderness therapy for helping adjust to civilian life
Pope Leo’s first Christmas brings a powerful message ▶ 1:16
Pope Leo’s first Christmas brings a powerful message
Erica Hernandez talked to Fluffy about his special relationship with San Antonio. ▶ 1:39
Erica Hernandez talked to Fluffy about his special relationship with San Antonio.
FBI warns of ‘modern-day terrorism’ as Texas-born extremist group targets youth online ▶ 1:41
FBI warns of ‘modern-day terrorism’ as Texas-born extremist group targets youth online
Kerrville landowner plans monument to honor volunteers who aided during deadly July 4 floods ▶ 1:48
Kerrville landowner plans monument to honor volunteers who aided during deadly July 4 floods
Bystander rescues woman trapped after plane crash in Galveston ▶ 0:51
Bystander rescues woman trapped after plane crash in Galveston
Here's where letters to Santa go every Christmas ▶ 1:36
Here's where letters to Santa go every Christmas
TxDOT begins construction on multi-year US Highway 90 expansion project ▶ 1:21
TxDOT begins construction on multi-year US Highway 90 expansion project
Bexar County's Military and Veteran Services Department director placed on leave ▶ 1:30
Bexar County's Military and Veteran Services Department director placed on leave
Caught on camera: Shootout between man, BCSO deputies leaves neighborhood shocked ▶ 1:57
Caught on camera: Shootout between man, BCSO deputies leaves neighborhood shocked
San Antonio police urge reporting of minor porch thefts ▶ 1:18
San Antonio police urge reporting of minor porch thefts
Shoplifter charged with attempted murder after pointing gun at officer ▶ 1:04
Shoplifter charged with attempted murder after pointing gun at officer
Woman becomes first wheelchair user to travel to space ▶ 0:45
Woman becomes first wheelchair user to travel to space
Gibson Costume Shop, a 100-year-old San Antonio staple, to begin liquidation sales in January ▶ 1:06
Gibson Costume Shop, a 100-year-old San Antonio staple, to begin liquidation sales in January
2 deputies fatally shoot man after he fires at them during domestic disturbance call, BCSO says ▶ 0:58
2 deputies fatally shoot man after he fires at them during domestic disturbance call, BCSO says
What parents can do to help children stay safe online ▶ 0:56
What parents can do to help children stay safe online
Any dog can be ‘dangerous’ 🐾 ▶ 0:57
Any dog can be ‘dangerous’ 🐾
What to know about holiday travel as AAA projects new record ▶ 0:53
What to know about holiday travel as AAA projects new record
Steele High School student conductor reimagines 'Joy to the World' ▶ 1:51
Steele High School student conductor reimagines 'Joy to the World'
Service members traveling through San Antonio International for the holidays ▶ 1:08
Service members traveling through San Antonio International for the holidays
Salvation Army helps thousands of San Antonio children through Angel Tree program ▶ 0:56
Salvation Army helps thousands of San Antonio children through Angel Tree program
Previous photo Next photo 