Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Tropical rainstorm poses dangerous flood threat along Gulf Coast. Click for details Chevron right
Flash flood dangers far from over as storms reload across US. Chevron right

Saint John, TX

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Saint John

Texas

76°
No results found.
Try searching for a city, zip code or point of interest.
settings
Saint John, TX Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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 Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, July 21

Day

7/21
98°Hi
RealFeel® 109°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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™ 100°
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
Remaining very warm with sun and areas of high clouds

Max UV Index12 (Extreme)

AccuLumen Brightness Index™8 (Bright)

WindSSE 10 mph

Wind Gusts22 mph

Probability of Precipitation11%

Probability of Thunderstorms3%

Precipitation0.00 in

Cloud Cover52%

Morning

Afternoon

Night

7/21
75°Lo
RealFeel® 82°
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
Clear to partly cloudy and humid

WindSSE 8 mph

Wind Gusts23 mph

Probability of Precipitation7%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover16%

Evening

Overnight

Sun & Moon

13 hrs 47 mins
Rise 6:40 AM
Set 8:27 PM
Waning Crescent
Rise 3:06 AM
Set 6:02 PM

Temperature History

7/21
High
Low
Forecast
98°
75°
Average
96°
73°
Last Year
93°
75°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Lightning strike kills one, injures several young scouts in New Jersey

46 minutes ago

Weather News

Powerful earthquake rattles Alaska, prompted rare tsunami warning

49 minutes ago

AccuWeather Ready

Is your house in a flood zone? This map has the answer

5 days ago

 More Stories

Featured Stories

Astronomy

Noctilucent clouds shimmer in summer sky

15 hours ago

Recreation

Yellowstone’s landscape shifts again with discovery of new hot pool

50 minutes ago

Weather News

Orcas are bringing humans gifts of food – but why?

6 days ago

Weather News

Giant shoes found spark mystery around the soldiers of ancient Rome

2 days ago

Weather News

It’s not just humans – chimpanzees also like to follow trends

2 days ago
World North America United States Texas Saint John

Weather Near Saint John:

  • 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...