Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
More than 10 feet of snow to bury California mountains into next week. Get the forecast. Chevron right
Snowstorm risk on the rise for the Northeast this weekend, including NYC. Get the snow forecast. Chevron right

Herculaneum, MO

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Herculaneum

Missouri

76°
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
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

Today's Weather

Wed, Feb 18

Warmer with sunshine Hi: 76°

Tonight: Partly cloudy Lo: 47°

Current Weather

3:17 PM

76°F
RealFeel® 78°
Sunny More Details
RealFeel Shade™ 74°
Wind SW 4 mph
Wind Gusts 8 mph
Air Quality Poor

Looking Ahead

A thunderstorm tomorrow afternoon; storms can bring hail and damaging winds

Herculaneum Weather Radar

Herculaneum Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

4 PM 73°
rain drop 0%
5 PM 70°
rain drop 0%
6 PM 66°
rain drop 0%
7 PM 61°
rain drop 0%
8 PM 57°
rain drop 0%
9 PM 54°
rain drop 0%
10 PM 53°
rain drop 0%
11 PM 53°
rain drop 0%
12 AM 54°
rain drop 0%
1 AM 51°
rain drop 0%
2 AM 51°
rain drop 0%
3 AM 51°
rain drop 0%

10-Day Weather Forecast

Today

2/18

76° 47°

Warmer with sunshine

Night: Partly cloudy

0%

Thu

2/19

72° 32°

A stray afternoon t-storm

Mainly clear; breezy, colder

55%

Fri

2/20

48° 28°

Cooler; breezy in the morning

Mostly cloudy

5%

Sat

2/21

45° 23°

Times of clouds and sun

Clear

12%

Sun

2/22

38° 21°

Becoming windier and colder

Breezy early; clear

0%

Mon

2/23

36° 22°

Mostly sunny and cold

Partly cloudy

1%

Tue

2/24

46° 35°

Times of clouds and sun

Partly cloudy and breezy

11%

Wed

2/25

55° 42°

Not as cool with a shower

Partly cloudy

55%

Thu

2/26

57° 37°

Sunshine and a few clouds

Clear

1%

Fri

2/27

58° 37°

Times of clouds and sun

Partly cloudy

1%

Sun & Moon

10 hrs 54 mins
Rise 6:49 AM
Set 5:43 PM
Waxing Crescent
Rise 7:25 AM
Set 7:15 PM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Winter Weather

8 backcountry skiers killed after California avalanche; 6 survivors ha...

1 hour ago

Severe Weather

Ohio Valley faces 1st severe weather in months on Thursday

1 hour ago

Weather News

155,000-acre wildfire explodes across Oklahoma, Kansas

4 hours ago

Winter Weather

Weekend snowstorm risk in Northeast hinges on storm track, cold air

2 hours ago

Winter Weather

More than 10 feet of snow to bury California mountains into next week

2 hours ago

More Stories

Featured Stories

Weather Forecasts

Wildfire season to ramp up early as drought covers over 40% of the US

5 hours ago

Climate

Winter is getting shorter across nearly 200 U.S. cities

1 day ago

Winter Weather

‘Pothole season’ is here as winter takes its toll on roads in the East

1 day ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

1 day ago

Sports

Why skiing will forever be the most glamorous sport

1 day 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 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

...

...

...