Current Local Time in Cook County
Current local time and time zone in Cook County, with UTC offset and daylight saving details.
Current local time in Cook County
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Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Quick facts about Cook County
| Type | County |
|---|---|
| State | Illinois |
| Country | United States |
| Continent | North America |
| Coordinates | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Population | 5.100.000 |
| Local time | 11:01 AM (UTC-05:00) |
| Best months | May, June, August, September and October |
| Climate | Continental |
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 70°F (21°C) in Cook County with clear sky. It feels like 74°F. Today runs from 57°F to 76°F. Chance of precipitation is 1%. Sightseeing conditions score 9.8/10 - 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 slightly cooler than average for August. The forecast high of 76°F is 3.8°F below the 79°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Cook County today at 9.9/10. 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
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Coordinates: 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298)
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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 70°F (21°C) with clear sky. Humidity is 72% and wind is 3 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 11:01 AM.
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 data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Method | Scores, 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 August 25, 2026 at 11:01 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
