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

Ottawa, IL

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

Ottawa

Illinois

55°
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
Ottawa, 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 25 - November 8

Sun 10/25

76° /47°
1%
Partly cloudy

RealFeel®48°

Cloud Cover34%

WindS 2 mph

Wind Gusts5 mph

Mon 10/26

70° /50°
2%
Sun and areas of high clouds; great day to be outside

RealFeel®70°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindNE 7 mph

Tue 10/27

71° /53°
7%
Warm with variable cloudiness

RealFeel®71°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindSE 7 mph

Wed 10/28

71° /53°
10%
Warm with plenty of sunshine

RealFeel®72°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindS 9 mph

Thu 10/29

74° /53°
25%
Very warm with clouds and sun

RealFeel®74°

RealFeel Shade™71°

Max UV Index3.0 (Moderate)

WindWSW 9 mph

Fri 10/30

71° /55°
30%
Cloudy and remaining warm with a shower possible

RealFeel®70°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindS 6 mph

Sat 10/31

66° /56°
25%
Cloudy

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindSSE 4 mph

Sun 11/1

66° /53°
24%
Mostly cloudy

RealFeel®67°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindNE 5 mph

Mon 11/2

64° /48°
2%
Sun through high clouds

RealFeel®62°

RealFeel Shade™62°

Max UV Index1.0 (Low)

WindENE 8 mph

Tue 11/3

59° /47°
2%
Clouds followed by a brightening sky

RealFeel®55°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindE 13 mph

Wed 11/4

59° /44°
1%
Sunshine and some clouds

RealFeel®58°

RealFeel Shade™57°

Max UV Index3.0 (Moderate)

WindWNW 10 mph

Thu 11/5

60° /48°
20%
Mostly cloudy in the morning followed by sun through high clouds

RealFeel®59°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindSSE 6 mph

Fri 11/6

60° /46°
0%
Partly sunny

RealFeel®58°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindWSW 12 mph

Sat 11/7

53° /35°
25%
Windy and cooler with clouds yielding to sun

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSW 22 mph

Sun 11/8

60° /42°
20%
Plenty of sunshine

RealFeel®64°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindSE 6 mph

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

10 hours ago

Weather Forecasts

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

18 hours ago

Hurricane

Atlantic still being watched for tropical tricks before Halloween

8 hours ago

Hurricane

Olana to fuel flash floods in Hawaii during late-October

1 hour ago

Winter Weather

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

8 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 Ottawa

Weather Near Ottawa:

  • 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

...

...

...