Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to focus on the central US this week. Click for the forecast. Chevron right
Is Super El Niño coming? See what this could mean for weather and daily life. Chevron right

Arnold, MO

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Arnold

Missouri

71°
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
Arnold, 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
April 16

Evening

4/16
63°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSSW 4 mph

Wind Gusts9 mph

Humidity64%

Dew Point55°

Probability of Precipitation16%

Precipitation0.00 in

Cloud Cover17%

Visibility10 mi

Overnight

Day & Night

Sun & Moon

13 hrs 15 mins
Rise 6:24 AM
Set 7:39 PM
Waning Crescent
Rise 5:40 AM
Set 7:06 PM

Temperature History

4/16
High
Low
Forecast
82°
60°
Average
68°
46°
Last Year
73°
36°

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Multi-day severe risk to rumble across the central US

11 hours ago

Astronomy

Artemis II astronauts return home after historic lunar flyby

1 day ago

Climate

Super El Niño: What it could mean for weather, heat and daily life

3 days ago

Climate

The US just experienced its hottest March on record

4 days ago

Weather Forecasts

Heat wave brewing for part of eastern US this week

11 hours ago

 More Stories

Featured Stories

Severe Weather

Woman in critical condition after lightning strike in Colorado

2 days ago

Astronomy

What nearly 80 years of polls say about US attitudes on space

3 days ago

Severe Weather

Earth's lightning capital gets 8,000 strikes per day

2 days ago

Hurricane

Atlantic hurricane season forecast 2026: 11-16 named storms predicted

3 days ago

Sports

Tropicana Field reopens after Hurricane Milton as Rays secure home win

5 days ago
World North America United States Missouri Arnold

Weather Near Arnold:

  • 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

...

...

...