County in Illinois

Cook County Travel Guide

Cook County travel guide: interactive map, live weather, best time to visit, things to do and nearby places.

🌙 62°F now🕔 10:19 PM local📅 Best: May, June, August, September and October👥 5.1 million

Active alerts for Cook County

⚠️Tue, Nov 3: heavy rain, 1,2 in. Flooding and delays possible.

Derived from the forecast. No official alert feed is wired for this country yet.

Summary

Cook County is a county in Illinois. Cook County is a county in the United States. It has a population of about 5.1 million.

Right now it is 62°F (17°C) in Cook County with clear. It feels like 58°F. Today runs from 50°F to 75°F. Chance of precipitation is 1%. Sightseeing conditions score 9.5/10 - excellent - go now.

The best time to visit Cook County is May, June, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 82°F, while January is the coldest with lows near 17°F.

The closest major airport is O'Hare International Airport (ORD), about 16 mi away. Nearby highlights include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.

In plain terms. Today is warmer than average for October. The forecast high of 75°F is 10.1°F above the 65°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Cook County today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Map of Cook County

Interactive map with nearby places. Switch between street, terrain and satellite views.

Coordinates: 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298)

Weather in Cook County right now

🌙
62°F
Clear · feels like 58°F
Humidity60%
Wind9 mph S
Gusts19 mph
UV index0 · Low
Cloud cover8%
Pressure989 hPa
VisibilityExcellent · 17 mi
Air quality53 · Moderate
Sunrise7:18 AM
Sunset5:49 PM
Moon🌖 Waning gibbous · 95%

Source: Open-Meteo. Updated 10:19 PM, Oct 28 local time.

⚠️Tue, Nov 3: heavy rain, 1,2 in. Flooding and delays possible.

Weekend outlook

Saturday, Oct 31

🌦️ 56° / 51°

Light rain · 63% rain · wind 10 mph

Sunday, Nov 1

☁️ 58° / 54°

Overcast · 14% rain · wind 6 mph

Quick facts about Cook County

TypeCounty
StateIllinois
CountryUnited States
ContinentNorth America
Coordinates41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298)
Population5.100.000
Local time10:19 PM (UTC-05:00)
Best monthsMay, June, August, September and October
ClimateContinental

Things to do in Cook County

Attractions, parks and landmarks in and around Cook County.

Best time to visit Cook County

Go in May, June, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★★☆☆
March★★★☆☆
April★★★☆☆
May★★★★☆
June★★★★☆
July★★★★☆
August★★★★☆
September★★★★☆
October★★★★☆
November★★★☆☆
December★★☆☆☆

What to pack, what to skip

Pack for the next 7 days
  • Sunglasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 62°F, so mornings feel nothing like afternoons
  • A packable rain shell - 3 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

Airports near Cook County

Closest airports with IATA codes and distances.

AirportCodeDistanceServes
O'Hare International AirportORD16 miChicago

Explore Cook County

Every topic we hold for this place, and the same topic for the places around it.

Travel Guide for related places

Frequently asked questions

Where is Cook County?

Cook County is a county in Illinois. Its coordinates are 41.8781, -87.6298. It lies in North America.

What is the weather like in Cook County right now?

It is currently 62°F (17°C) with clear. Humidity is 60% and wind is 9 mph.

When is the best time to visit Cook County?

May, June, August, September and October offer the most comfortable conditions in Cook County, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Cook County in?

Cook County observes America/Chicago (UTC-05:00). The local time is 10:19 PM.

How many people live in Cook County?

Cook County has a population of approximately 5.1 million.

What is the nearest airport to Cook County?

The closest airports are O'Hare International Airport (ORD), 16 mi away.

What are the top things to do in Cook County?

Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Map tilesOpenStreetMap contributors, CARTO and Esri.
ElevationOpen-Meteo digital elevation model where the dataset has no value.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated October 28, 2026 at 10:19 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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