County in Illinois

Cook County 天气 预报

Cook County weather: 10°C, 晴. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.

🌙 10°C now🕔 7:26 PM local📅 Best: 五月, 六月, 八月, 九月 and 十月👥 5.1 million

Risk assessment for Cook County

Derived from the current forecast window - not an official warning.

Fire weather5.5

6 dry days, 0 days above 32°C and humidity at 80%. Hot, dry and windy together is what drives fire spread.

Airborne particulates1.6

晴 air overhead现在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

空气质量 and pollen in Cook County

65
中等
Unusually sensitive people should limit long outdoor exertion.
PM2.511.4 µg/m³
PM1011.7 µg/m³
Ozone41 µg/m³
NO₂35.6 µg/m³
UV指数0 · 低
Airborne haze晴 air

空气质量: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
General天气状况 are comfortable for most people, including children and older adults,,天气为normal clothing.

Active alerts for Cook County

⚠️周二, 十一月 3: heavy rain, 33 mm. Flooding and delays possible.

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

查看 Cook County 的分时预报

Cook County weather - more answers

Explore Cook County

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

天气 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 北美洲.

What is the weather like in Cook County现在?

It is currently 10°C (49°F),天气为晴. 湿度 is 80% and wind is 9 km/h.

When is the best time至visit Cook County?

五月, 六月, 八月, 九月 and 十月 offer the most comfortable conditions in Cook County, which has a continental climate. 一月, 二月 and 十二月 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 7:26 PM.

How many people live in Cook County?

Cook County has a population of approximately 5.1 million.

What is the nearest airport至Cook County?

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

What are the top things至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.
预报 and observationsOpen-Meteo (ECMWF and national models).
空气质量 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
气候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天气 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 十月 28, 2026 at 7:26 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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