Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to focus on central U.S. into the start of April. See the forecast. Chevron right
Snow and ice to kick off April from Minnesota to Maine. Get the forecast. Chevron right

St. Charles, MO

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Charles

Missouri

84°
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
St. Charles, 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
Tuesday, March 31

Current Weather

12:23 PM

84°F
Cloudy
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
80°
RealFeel Shade™
78°
Max UV Index
1.7 (Low)
Wind
SSW 9 mph
Wind Gusts
19 mph
Humidity
45%
Indoor Humidity
45% (Slightly Humid)
Dew Point
61° F
Pressure
↔ 29.85 in
Cloud Cover
99%
Visibility
25 mi
Cloud Ceiling
9000 ft

Day

3/31
84°Hi
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Times of clouds and sun, windy and very warm with widely separated thunderstorms

Max UV Index6.0 (High)

AccuLumen Brightness Index™6 (Medium)

WindSSW 18 mph

Wind Gusts40 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.08 in

Rain0.08 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover57%

Morning

Afternoon

Night

3/31
59°Lo
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Cloudy and warm with a couple of strong thunderstorms around; thunderstorms can bring hail and damaging winds

WindNW 6 mph

Wind Gusts8 mph

Probability of Precipitation95%

Probability of Thunderstorms86%

Precipitation0.52 in

Rain0.52 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover96%

Evening

Overnight

Sun & Moon

12 hrs 35 mins
Rise 6:49 AM
Set 7:24 PM
Waxing Gibbous
Rise 6:18 PM
Set 6:22 AM

Temperature History

3/31
High
Low
Forecast
84°
59°
Average
62°
42°
Last Year
55°
40°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Pre-Easter severe storms, flooding downpours to focus on central US

1 hour ago

Live Blog

Artemis II updates: Astronauts prepare for 1st moon mission since 1972

LATEST ENTRY

Meet NASA’s moon rocket: The Space Launch System

46 minutes ago

Winter Weather

Ice and snow to bring power outage, travel risks to northern U.S.

1 hour ago

Astronomy

April’s full Pink moon rises April 1: Here’s when to watch

3 days ago

Weather Forecasts

Series of storms to usher in rain, cooler air to the West

7 hours ago

More Stories

Featured Stories

Climate

Colorado towns enact water restrictions as drought forecast looks grim

2 hours ago

Astronomy

Artemis II: What to know about this historic moon mission

1 day ago

Why Easter moves around each year

7 hours ago 0:31

Weather News

Heat wave: Most record highs since 1951, hottest March in 7 states

2 hours ago

Astronomy

April's back-to-back astronomy events include 1st meteor shower in mon...

4 days ago

World North America United States Missouri St. Charles

Weather Near St. Charles:

  • O'Fallon, MO
  • Springfield, IL
  • 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

...

...

...