Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Next week to bring another uptick in temps, humidity in the Northeast. Get the forecast. Chevron right

O'Fallon, MO

72°F
Location Chevron down
Location News Videos
Use Current Location
Recent

O'Fallon

Missouri

72°
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
O'Fallon, 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
June 8

Overnight

6/8
71°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly cloudy, a thunderstorm in parts of the area; humid

WindSSW 6 mph

Wind Gusts7 mph

Humidity95%

Dew Point71°

Probability of Precipitation55%

Precipitation0.24 in

Rain0.24 in

Cloud Cover88%

Visibility9 mi

Morning

Day & Night

Sun & Moon

14 hrs 48 mins
Rise 5:38 AM
Set 8:26 PM
Last Quarter
Rise 1:17 AM
Set 1:17 PM

Temperature History

6/8
High
Low
Forecast
83°
71°
Average
83°
62°
Last Year
84°
62°

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Relief is coming to Northeast, but heat and humidity to bounce back

1 hour ago

Hurricane

More tropical activity brewing in the eastern Pacific after Amanda

1 hour ago

Weather News

Outer Banks home collapses into ocean for first time in months

2 days ago

Weather Forecasts

Torrential downpours to raise flash flood risk in south-central US

3 hours ago

Recreation

Firefly season is here: When to watch for summer’s flashing lights

1 day ago

 More Stories

Featured Stories

Health

Why Google wants to release 32 million mosquitoes in 2 states

1 day ago

Weather News

These trees can 'hold their breath' when volcanoes erupt in Hawaii

1 day ago

Astronomy

Sunset after 9pm: Why the sun, clock don't align around the solstice

1 day ago

Astronomy

Venus, Jupiter to shine incredibly close for 2 nights next week

1 day ago

Weather News

Record sargassum seaweed swamps Caribbean, U.S. beaches

3 days ago
World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • St. Charles, MO
  • St. Louis, MO
  • St. Peters, 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

...

...

...