Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Tropical Storm Olana is lurking in the Pacific, which could bring flooding to Hawaii. Click for details. Chevron right
Halloween forecast: See where trick-or-treaters will need an umbrella. Chevron right

Petersburg, IL

52°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Petersburg

Illinois

52°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Petersburg, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

10-Day

 Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

October 26 - November 9

Mon 10/26

77° /50°
3%
Partly sunny and very warm; great day to be outside

RealFeel®78°

RealFeel Shade™75°

Max UV Index3.0 (Moderate)

WindSE 6 mph

Tue 10/27

74° /52°
4%
Warm with variable cloudiness; a nice afternoon for outdoor activities

RealFeel®74°

RealFeel Shade™71°

Max UV Index3.0 (Moderate)

WindSSE 8 mph

Wed 10/28

76° /56°
15%
Very warm with clouds and hazy sun

RealFeel®75°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindS 10 mph

Thu 10/29

80° /54°
9%
Mostly sunny and very warm

RealFeel®79°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindSSW 10 mph

Fri 10/30

75° /55°
25%
Sun and areas of high clouds and remaining warm

RealFeel®74°

RealFeel Shade™72°

Max UV Index2.0 (Low)

WindS 8 mph

Sat 10/31

69° /56°
20%
Cloudy

RealFeel®68°

RealFeel Shade™68°

Max UV Index1.0 (Low)

WindESE 4 mph

Sun 11/1

70° /53°
49%
A morning shower in places; otherwise, partly sunny

RealFeel®71°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Total Hours of Precipitation1

Total Hours of Rain1

Mon 11/2

68° /49°
9%
Cloudy

RealFeel®67°

RealFeel Shade™67°

Max UV Index1.0 (Low)

WindE 7 mph

Tue 11/3

62° /49°
75%
Cloudy and cooler; a couple of afternoon showers

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindE 14 mph

Total Hours of Precipitation2

Total Hours of Rain2

Wed 11/4

62° /46°
1%
Plenty of sun

RealFeel®63°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindWNW 9 mph

Thu 11/5

63° /48°
13%
Cloudy

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindSSE 7 mph

Fri 11/6

61° /46°
0%
Sun and areas of high clouds

RealFeel®61°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindWSW 9 mph

Sat 11/7

55° /35°
20%
Mostly sunny, windy and cooler

RealFeel®50°

RealFeel Shade™47°

Max UV Index3.0 (Moderate)

WindSW 18 mph

Sun 11/8

62° /42°
20%
Mostly sunny

RealFeel®63°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindSE 6 mph

Mon 11/9

60° /41°
55%
Cloudy with a bit of rain

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindENE 6 mph

Total Hours of Precipitation3

Total Hours of Rain3

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Halloween forecast 2026: Who gets rain, storms and chilly weather

12 hours ago

Weather Forecasts

UK faces back-to-back storms as Josephine could help fuel a third

20 hours ago

Hurricane

Atlantic still being watched for tropical tricks before Halloween

11 hours ago

Hurricane

Olana to fuel flash floods in Hawaii during late-October

3 hours ago

Winter Weather

Storm packing flooding rain, severe weather to end as snow in Dakotas

10 hours ago

 More Stories

Featured Stories

Weather News

Sunsets before 5 p.m. are about to return as daylight saving time ends

2 days ago

Weather News

6 spooky sights from nature to give you chills this Halloween

3 days ago

Climate

Can California save its El Niño water windfall?

2 days ago

Astronomy

Hunter Moon, Saturn and shooting stars share the sky this weekend

2 days ago

Recreation

New Hampshire’s ‘hanging boulder’ falls after a century

3 days ago
World North America United States Illinois Petersburg

Weather Near Petersburg:

  • Champaign, IL
  • Decatur, IL
  • Springfield, 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

...

...

...