County in Illinois

Cook County Väder Prognos

Cook County weather: 10°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

🌙 10°C now🕔 9:46 AM local📅 Best: maj, juni, augusti, september and oktober👥 5.1 million

Imorgon in Cook County - torrsday, oktober 29

🌧️
19°
Regn · low 10°C
Regn chance20%
Nederb.itation3 mm
Max wind19 km/h
Vindbyar42 km/h
UV-index3 · Låg
Soluppgång7:19 AM
Solnedgång5:48 PM
Daglight10h 29m

Nästa 24 timmar

Temperatur, nederbörd och vind timme för timme.

7 AM☀️10°0%9 km/h
8 AM☁️10°0%8 km/h
9 AM☁️12°0%9 km/h
10 AM⛅15°0%9 km/h
11 AM☀️18°0%12 km/h
12 PM☀️19°0%12 km/h
1 PM☀️21°0%12 km/h
2 PM☀️22°0%14 km/h
3 PM☀️23°0%16 km/h
4 PM☀️23°0%15 km/h
5 PM☀️22°0%10 km/h
6 PM☀️19°0%9 km/h
7 PM🌙17°0%10 km/h
8 PM🌙16°0%12 km/h
9 PM🌙16°0%12 km/h
10 PM☁️15°0%16 km/h
11 PM🌙15°0%16 km/h
12 AM🌙14°0%16 km/h
1 AM🌙14°0%16 km/h
2 AM☁️14°0%16 km/h
3 AM☁️14°0%16 km/h
4 AM☁️14°9%19 km/h
5 AM🌙14°9%16 km/h
6 AM☁️14°3%15 km/h

Active alerts for Cook County

⚠️tis, nov 3: heavy rain, 33 mm. Flooding and delays possible.

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

Is today a good day och visit?

Activity scores from 0 och 10 based on temperature, rain, wind, sun and visibility.

Sightseeing8.7
Outdoors8.2
Beach day6.7
Swimming6.6
Hiking9.6
Running9.7
Cycling9.5
Camping9.1
Fishing8.5
Photography8.7
Stargazing10
Family time8.2
Driving9.6
Flying out9.5

What och pack, what och skip

Pack for the next 7 days
  • Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.

Se prognosen för Cook County per tidsintervall

Cook County weather - more answers

Explore Cook County

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

Väder 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 Nordamerika.

What is the weather like in Cook County just nu?

It is currently 10°C (49°F) med klart. Luftfuktighet is 80% and wind is 9 km/h.

When is the best time och visit Cook County?

maj, juni, augusti, september and oktober offer the most comfortable conditions in Cook County, which has a continental climate. januari, februari 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 9:46 AM.

How many people live in Cook County?

Cook County has a population of approximately 5.1 million.

What is the nearest airport och Cook County?

The closest airports are O'Hare International Airport (ORD), 25 km away.

What are the top things och 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.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Väder Service.
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 oktober 28, 2026 at 9:46 AM 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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