Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
California expecting new snowstorm after measuring 90+ inches. Get the forecast. Chevron right
Snowstorm threatens heavy snow in Northeast, including NYC and Philly. See the forecast. Chevron right

Grafton, IL

55°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grafton

Illinois

55°
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
Grafton, IL 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, February 20

Day

2/20
46°Hi
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel Shade™ 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Partly sunny, breezy and cooler

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindW 16 mph

Wind Gusts31 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover27%

Morning

Afternoon

Night

2/20
25°Lo
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Mostly cloudy

WindNNW 7 mph

Wind Gusts10 mph

Probability of Precipitation25%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover73%

Evening

Overnight

Sun & Moon

10 hrs 58 mins
Rise 6:47 AM
Set 5:45 PM
Waxing Crescent
Rise 8:13 AM
Set 9:33 PM

Temperature History

2/20
High
Low
Forecast
46°
25°
Average
47°
27°
Last Year
19°
-1°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Weekend snowstorm threat looms for Northeast, could intensify

8 hours ago

Severe Weather

Tornado danger grows in Ohio Valley as volatile storms erupt

7 hours ago

Weather Forecasts

El Nino is brewing: Here’s what it means for US weather in 2026

13 hours ago

Winter Weather

California faces a new storm threat, adding to staggering snowfall

8 hours ago

Weather News

155,000-acre wildfire explodes across Oklahoma, Kansas

8 hours ago

 More Stories

Featured Stories

Winter Weather

Search teams working to recover bodies of skiers killed in avalanche

13 hours ago

Weather Forecasts

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

1 day ago

Climate

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

2 days ago

Winter Weather

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

2 days ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

2 days ago
World North America United States Illinois Grafton

Weather Near Grafton:

  • 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

...

...

...