Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Stormy weekend ahead with flooding rain, severe weather and snow in East. Get the details. Chevron right

Herculaneum, MO

53°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Herculaneum

Missouri

53°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Herculaneum, MO 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
Friday, January 9

Current Weather

1:17 PM

53°F
Sunny
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel Shade™ 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel®
58°
RealFeel Shade™
52°
Max UV Index
2.3 (Low)
Wind
NNW 4 mph
Wind Gusts
7 mph
Humidity
65%
Indoor Humidity
38% (Ideal Humidity)
Dew Point
42° F
Pressure
↔ 30.09 in
Cloud Cover
1%
Visibility
15 mi
Cloud Ceiling
34000 ft

Day

1/9
54°Hi
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel Shade™ 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Breezy this morning; otherwise, partly sunny and cooler

Max UV Index2.0 (Low)

AccuLumen Brightness Index™9 (Very Bright)

WindNNW 10 mph

Wind Gusts29 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover27%

Morning

Afternoon

Night

1/9
39°Lo
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Cloudy with a couple of showers late

WindNNE 5 mph

Wind Gusts9 mph

Probability of Precipitation60%

Probability of Thunderstorms12%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover96%

Evening

Overnight

Sun & Moon

9 hrs 40 mins
Rise 7:19 AM
Set 4:59 PM
Waning Gibbous
Rise --
Set 10:54 AM

Temperature History

1/9
High
Low
Forecast
54°
39°
Average
40°
24°
Last Year
31°
5°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Stormy weekend ahead in eastern US: Flooding, thunder and even snow

1 hour ago

Astronomy

NASA to bring Crew-11 astronauts home early after medical issue aboard...

17 hours ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

1 hour ago

Winter Weather

Storm Goretti sweeps United Kingdom, France with winds over 120 mph

56 minutes ago

Weather Forecasts

Springlike warmth in East to be replaced by cold air, snowstorm risk

8 hours ago

 More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

23 hours ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

2 days ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

1 day ago

Climate

Climate risk reshaping homeownership decisions, study finds

2 days ago

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

2 days ago
World North America United States Missouri Herculaneum

Weather Near Herculaneum:

  • 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 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
© 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

...

...

...