Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Arthur unleashes life-threatening flooding across Gulf Coast. Click for the forecast. Chevron right

San Leon, TX

87°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Leon

Texas

87°
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 Leon, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

1 PM

90°
RealFeel® 106°
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
rain drop 5%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™99°

Heat Index110°

WindS 16 mph

Air QualityPoor

Max UV Index5.8 (High)

Wind Gusts25 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point82° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5000 ft

2 PM

91°
RealFeel® 107°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™100°

Heat Index111°

WindS 15 mph

Air QualityPoor

Max UV Index5.9 (High)

Wind Gusts27 mph

Humidity74%

Indoor Humidity74% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling8800 ft

3 PM

91°
RealFeel® 108°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™101°

Heat Index112°

WindS 15 mph

Air QualityPoor

Max UV Index7.0 (High)

Wind Gusts29 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
RealFeel® 108°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™102°

Heat Index114°

WindS 15 mph

Air QualityPoor

Max UV Index4.2 (Moderate)

Wind Gusts29 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 105°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™100°

Heat Index111°

WindS 15 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts28 mph

Humidity74%

Indoor Humidity74% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™99°

Heat Index110°

WindS 15 mph

Air QualityPoor

Max UV Index1.2 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14900 ft

7 PM

88°
RealFeel® 102°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

RealFeel Shade™102°

Heat Index107°

WindSSE 14 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts27 mph

Humidity80%

Indoor Humidity80% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14200 ft

8 PM

87°
RealFeel® 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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 10:00 PM Saturday

RealFeel Shade™100°

Heat Index105°

WindSSE 13 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts24 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling10100 ft

9 PM

86°
RealFeel® 99°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 10:00 PM Saturday

Heat Index102°

WindSSE 13 mph

Air QualityPoor

Wind Gusts22 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6000 ft

10 PM

85°
RealFeel® 98°
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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 10:00 PM Saturday

Heat Index100°

WindSSE 13 mph

Air QualityPoor

Wind Gusts20 mph

Humidity88%

Indoor Humidity88% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

85°
RealFeel® 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
rain drop 0%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 10:00 PM Saturday

Heat Index99°

WindSSE 13 mph

Air QualityPoor

Wind Gusts18 mph

Humidity88%

Indoor Humidity88% (Dangerously Humid)

Dew Point81° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for San Leon

AccuWeather's hourly forecast for San Leon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 106°, intermittent clouds with a 5% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Arthur raises risk of life-threatening flooding across Gulf Coast

32 minutes ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

2 hours ago

Severe Weather

Severe storms to deliver strong winds, flash flooding on Thursday

33 minutes ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

1 hour ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Arthur brings rain to Atlanta, forcing World Cup fan festival to close early

12 minutes ago

 More Stories

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

2 hours ago

Recreation

Black bear injures teen on Washington trail

54 minutes ago

Astronomy

Meteorological summer vs. astronomical summer explained

4 hours ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

23 hours ago

Health

Pickle is the pumpkin spice of summer

2 days ago
World North America United States Texas San Leon

Weather Near San Leon:

  • Houston, TX
  • Pasadena, TX
  • The Woodlands, 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

...

...

...