County in Illinois

Cook County Vreme Napoved

Cook County weather: 20°C, jasno nebo. Po urah forecast, 14-day outlook, UV, air quality and the best time do visit.

☀️ 20°C now🕔 5:55 PM local📅 Best: maj, junij, avgust, september and oktober👥 5.1 million

14-day forecast for Cook County

Najv. / Najm.; Padavine; UV

DanRazmereNajv. / Najm.PadavineVeterUV
tor, okt 6⛅ Delno oblačno24° / 9°1%23 km/h5
sre, okt 7☁️ Oblačno21° / 12°1%18 km/h5
čet, okt 8☁️ Oblačno20° / 9°1%19 km/h5
pet, okt 9🌦️ Light drizzle21° / 14°4% · 0 mm19 km/h3
sob, okt 10☁️ Oblačno29° / 19°2%21 km/h5
ned, okt 11☁️ Oblačno24° / 17°9%20 km/h2
pon, okt 12☁️ Oblačno20° / 14°11%20 km/h4
tor, okt 13🌦️ Pršenje14° / 11°30% · 3 mm20 km/h1
sre, okt 14☁️ Oblačno25° / 14°27%22 km/h4
čet, okt 15🌦️ Rahel dež27° / 19°28% · 6 mm25 km/h3
pet, okt 16🌦️ Pršenje21° / 11°21% · 3 mm27 km/h1
sob, okt 17🌦️ Rahel dež12° / 10°14% · 23 mm28 km/h0
ned, okt 18🌦️ Pršenje15° / 12°13% · 6 mm18 km/h0
pon, okt 19🌦️ Pršenje16° / 9°19% · 3 mm15 km/h3

The two-week trend

Temperature trend

Cooling. The second half of the window averages 3°C cooler than the days immediately ahead.

Against the normal

The window averages 20°C against a oktober normal of 18°C - 2°C above.

Dežfall

The next 7 days look unusually dry - roughly 1% of a normal oktober week (0 mm against 18 mm).

What this means for Cook County

Compared z normal

Today is warmer than average for oktober. The forecast high of 24°C is 5.6°C above the 18°C typical for this month.

Dež chance explained

Dež is very unlikely today - plans do not need a backup.

Potovanja and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in junij do avgust.

Worth knowing

The gap between the warmest and coldest month averages 29°C.

What do pack, what do skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • nedglasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 20°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.

Oglejte si napoved za Cook County po časovnem obdobju

Cook County weather - more answers

Explore Cook County

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

Vreme 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 Severna Amerika.

What is the weather like in Cook County zdaj?

It is currently 20°C (68°F) z jasno nebo. Vlažnost is 37% and wind is 16 km/h.

When is the best time do visit Cook County?

maj, junij, avgust, september and oktober offer the most comfortable conditions in Cook County, which has a continental climate. januar, februar 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 5:55 PM.

How many people live in Cook County?

Cook County has a population of approximately 5.1 million.

What is the nearest airport do Cook County?

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

What are the top things do 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.
Napoved and observationsOpen-Meteo (ECMWF and national models).
Kakovost zraka and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Podnebje averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Vreme 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 6, 2026 at 5:55 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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