Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Tropical Storm Olana is lurking near Hawaii. Click for details. Chevron right
Halloween forecast: See where trick-or-treaters will need an umbrella. Chevron right

Ottawa, IL

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ottawa

Illinois

50°
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 26 - November 9

Mon 10/26

69° /49°
0%
Sun and areas of high clouds; great day to be outside

RealFeel®69°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindENE 8 mph

Tue 10/27

72° /52°
5%
Warm with variable cloudiness

RealFeel®72°

RealFeel Shade™70°

Max UV Index2.0 (Low)

WindSE 7 mph

Wed 10/28

74° /55°
6%
Very warm with plenty of sunshine

RealFeel®74°

RealFeel Shade™71°

Max UV Index3.0 (Moderate)

WindS 8 mph

Thu 10/29

74° /53°
55%
Periods of sun with a shower in places; very warm

RealFeel®72°

RealFeel Shade™71°

Max UV Index2.0 (Low)

WindWSW 10 mph

Total Hours of Precipitation1

Total Hours of Rain1

Fri 10/30

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

RealFeel®70°

RealFeel Shade™68°

Max UV Index1.0 (Low)

WindENE 8 mph

Sat 10/31

66° /56°
25%
Cloudy

RealFeel®65°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindE 7 mph

Sun 11/1

66° /55°
25%
Mostly cloudy

RealFeel®66°

RealFeel Shade™64°

Max UV Index2.0 (Low)

WindE 7 mph

Mon 11/2

64° /51°
73%
Rain and a thunderstorm

RealFeel®56°

RealFeel Shade™56°

Max UV Index1.0 (Low)

WindS 15 mph

Total Hours of Precipitation12

Total Hours of Rain12

Tue 11/3

59° /47°
10%
Brilliant sunshine

RealFeel®58°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindNW 10 mph

Wed 11/4

57° /47°
0%
Plenty of sun

RealFeel®63°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindNW 4 mph

Thu 11/5

57° /46°
75%
Rain

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindSE 9 mph

Total Hours of Precipitation8

Total Hours of Rain8

Fri 11/6

59° /44°
12%
Times of clouds and sun

RealFeel®56°

RealFeel Shade™56°

Max UV Index2.0 (Low)

WindWSW 9 mph

Sat 11/7

61° /44°
1%
Mostly sunny

RealFeel®63°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindSW 6 mph

Sun 11/8

52° /34°
20%
Plenty of sunshine

RealFeel®59°

RealFeel Shade™53°

Max UV Index3.0 (Moderate)

WindSE 6 mph

Mon 11/9

58° /41°
25%
Cloudy

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindE 7 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

3 hours ago

Hurricane

Atlantic still being watched for tropical tricks before Halloween

39 minutes ago

Weather News

Daylight saving time: Sunsets before 5 p.m. are about to return

1 hour 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

3 hours ago

 More Stories

Featured Stories

Weather News

6 spooky sights from nature to give you chills this Halloween

3 days ago

Astronomy

Astronomers say van Gogh’s ‘The Starry Night’ may have been inspired b...

1 day ago

Climate

Can California save its El Niño water windfall?

3 days ago

Climate

Brutal summer heat wave killed more than 50,000 in Europe’s cities

2 days ago

Recreation

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

4 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

...

...

...