Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Posen, IL

34°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Posen

Illinois

34°
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
Posen, 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 WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, March 12

Current Weather

9:33 AM

34°F
Sunny
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel Shade™ 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel®
39°
RealFeel Shade™
33°
Max UV Index
2.4 (Low)
Wind
W 5 mph
Wind Gusts
10 mph
Humidity
82%
Indoor Humidity
38% (Dry)
Dew Point
29° F
Pressure
↑ 30.22 in
Cloud Cover
0%
Visibility
11 mi
Cloud Ceiling
40000 ft

Day

3/12
47°Hi
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Sunny to partly cloudy and not as cold

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindWSW 10 mph

Wind Gusts18 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover24%

Morning

Afternoon

Night

3/12
39°Lo
RealFeel® 23°
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 and increasingly windy with a shower in spots
alerts

High Wind Watch

4:00 AM Friday - 4:00 PM Friday

WindSSW 18 mph

Wind Gusts38 mph

Probability of Precipitation55%

Probability of Thunderstorms11%

Precipitation0.02 in

Rain0.02 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover92%

Evening

Overnight

Sun & Moon

11 hrs 46 mins
Rise 7:08 AM
Set 6:54 PM
Waning Crescent
Rise 3:36 AM
Set 12:05 PM

Temperature History

3/12
High
Low
Forecast
47°
39°
Average
46°
30°
Last Year
53°
38°
Record
81°
1990
1°
1948

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe weather outbreak turns deadly with EF3 tornado, record hail

18 minutes ago

Winter Weather

Nine states had their warmest winter ever recorded

22 hours ago

Severe Weather

Grapefruit-sized hailstone may set state record

19 hours ago

Winter Weather

High winds to roar from Rockies to Northeast with northern tier snow

3 hours ago

Weather Forecasts

Storms to dump heavy rain, snow on Washington as California bakes

1 hour ago

 More Stories

Featured Stories

Recreation

'Quicksand alert' issued at National Park Service site

20 hours ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

1 day ago

Health

Produce from nation’s largest supplier contains ‘forever’ pesticides

15 hours ago

Weather News

Mount Rushmore fireworks to return for America's 250th anniversary

1 day ago

Weather News

Indiana just changed the law for rescuing pets trapped in hot cars

1 day ago
World North America United States Illinois Posen

Weather Near Posen:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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

...

...

...