Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Peak hurricane season is this week. Here's when the next storm may form. Chevron right

Affton, MO

95°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Affton

Missouri

95°
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
Affton, MO 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
Tuesday, September 8

Day

9/8
95°Hi
RealFeel® 101°
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™ 96°
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
Mostly sunny and toasty conditions; high levels of ozone will lead to poor air quality
alerts

Air Quality Alert

3:40 PM Monday - 1:45 AM Wednesday

Max UV Index7.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindSSE 6 mph

Wind Gusts12 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover15%

Morning

Afternoon

Night

9/8
72°Lo
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear to partly cloudy, warm and humid
alerts

Air Quality Alert

3:40 PM Monday - 1:45 AM Wednesday

WindS 6 mph

Wind Gusts7 mph

Probability of Precipitation9%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover11%

Evening

Overnight

Sun & Moon

12 hrs 45 mins
Rise 6:36 AM
Set 7:21 PM
Waning Crescent
Rise 3:35 AM
Set 6:06 PM

Temperature History

9/8
High
Low
Forecast
95°
72°
Average
83°
60°
Last Year
77°
42°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Hurricane Lowell swipes Hawaii, knocking out power to Kaua'i

2 hours ago

Recreation

Climbers rescued from Mount Shasta said they 'relied too much on AI'

1 day ago

Weather Forecasts

Heat to bake California as waves hammer coastline this week

2 hours ago

Hurricane

Atlantic to break hurricane record as forecasters watch waters near US

8 hours ago

Weather Forecasts

Heat relief for central U.S. as temperatures surge in the east

2 hours ago

 More Stories

Featured Stories

Weather News

Spotted lanternflies have spread to 22 states: ‘They’re here to stay’

7 hours ago

Weather News

At least 5 dead after Amazon cargo plane overruns runway in Miami

1 day ago

Weather News

Man killed by lightning while cutting lawn in Ohio

1 day ago

Health

Doctors release vaccine recommendations for RSV, influenza, COVID-19

1 day ago

Weather News

Search underway for US family missing after plane lost contact

6 hours ago
World North America United States Missouri Affton

Weather Near Affton:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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

...

...

...