Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A nor'easter is brewing for the East Coast. Click for details. Chevron right
A tropical rainstorm is forecast to rapidly strengthen to a major Pacific hurricane. Click for details. Chevron right

San Antonio, TX

98°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Antonio

Texas

98°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
San Antonio, TX Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, September 21

Day

9/21
97°Hi
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Partly sunny and very warm; a thunderstorm in spots in the afternoon

Max UV Index7.0 (High)

AccuLumen Brightness Index™8 (Bright)

WindESE 6 mph

Wind Gusts16 mph

Probability of Precipitation55%

Probability of Thunderstorms50%

Precipitation0.04 in

Rain Amount0.04 in

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Cloud Cover34%

Morning

Afternoon

Night

9/21
75°Lo
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mainly clear and humid

WindSE 6 mph

Wind Gusts17 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover22%

Evening

Overnight

Sun & Moon

12 hrs 10 mins
Rise 7:22 AM
Set 7:32 PM
Waxing Gibbous
Rise 4:45 PM
Set 3:23 AM

Temperature History

9/21
High
Low
Forecast
97°
75°
Average
88°
68°
Last Year
97°
77°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Upcoming nor'easter threatens flooding, gusty winds in mid-Atlantic

1 hour ago

Hurricane

Tropical Storm Fay becomes Atlantic's sixth named storm

6 hours ago

Recreation

Monarch butterflies are heading south. This map shows when be near you

2 days ago

Hurricane

Pacific tropical rainstorm to rapidy strengthen and threaten Mexico

1 hour ago

Weather Forecasts

American monsoon surge to bring flood, wildfire risks to western US

1 hour ago

 More Stories

Featured Stories

Sports

New NASCAR tire rule puts rain strategy in teams’ hands

2 days ago

Severe Weather

Deadly monsoon flooding strikes Arizona

3 days ago

Recreation

Man and his dog found alive after 7 days in remote Wyoming wilderness

4 days ago

Climate

El Niño is coming for California's beachfront homes and highways

3 days ago

Travel

7 places on Earth that look AI-generated but are real

4 days ago
World North America United States Texas San Antonio

Weather Near San Antonio:

  • Del Rio, TX
  • New Braunfels, TX
  • San Antonio, TX
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...