Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Dangerous storms loom for millions from Texas to the Northeast. Click for the forecast. Chevron right
Heat wave brings summerlike weather to the East. See how hot it will get this week. Chevron right

San Antonio, TX

73°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Antonio

Texas

73°
No results found.
Try searching for a city, zip code or point of interest.
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
Wednesday, May 20

Day

5/20
83°Hi
RealFeel® 91°
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
RealFeel Shade™ 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Mostly cloudy and humid with a couple of showers and a thunderstorm

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™2 (Dark)

WindE 8 mph

Wind Gusts20 mph

Probability of Precipitation88%

Probability of Thunderstorms53%

Precipitation0.21 in

Rain0.21 in

Hours of Precipitation3

Hours of Rain3

Cloud Cover87%

Morning

Afternoon

Night

5/20
71°Lo
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Cloudy and humid with a couple of showers and a thunderstorm

WindENE 8 mph

Wind Gusts20 mph

Probability of Precipitation88%

Probability of Thunderstorms53%

Precipitation0.45 in

Rain0.45 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover98%

Evening

Overnight

Sun & Moon

13 hrs 43 mins
Rise 6:39 AM
Set 8:22 PM
Waxing Crescent
Rise 10:23 AM
Set 12:50 AM

Temperature History

5/20
High
Low
Forecast
83°
71°
Average
89°
68°
Last Year
102°
80°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Dangerous storms loom for millions from Texas to the Northeast

4 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

4 hours ago

Severe Weather

Tornadoes charge through Plains, Midwest, ripping apart homes in Nebra...

19 hours ago

Astronomy

Crescent moon is about to join Venus and Jupiter in evening sky

1 day ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

4 hours ago

 More Stories

Featured Stories

Why some tornado warnings are more dangerous

1 day ago 0:56

Astronomy

SpaceX poised for first Starship flight test of 2026

3 days ago

Severe Weather

10 types of tornadoes that occur in the US

1 day ago

Severe Weather

Does a green sky mean a tornado is coming?

1 day ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

4 days ago
World North America United States Texas San Antonio

Weather Near San Antonio:

  • Austin, TX
  • Del Rio, TX
  • New Braunfels, 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

...

...

...