Cook County 天気 予報
Cook County weather: 14°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
気候 in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | -2° | -8° | 73 mm | ★★☆☆☆ |
| 2月 | 4° | -4° | 19 mm | ★★★☆☆ |
| 3月 | 11° | 1° | 103 mm | ★★★☆☆ |
| 4月 | 15° | 6° | 113 mm | ★★★☆☆ |
| 5月 | 20° | 11° | 68 mm | ★★★★☆ |
| 6月 | 26° | 18° | 126 mm | ★★★★☆ |
| 7月 | 28° | 20° | 127 mm | ★★★★☆ |
| 8月 | 27° | 19° | 116 mm | ★★★★☆ |
| 9月 | 24° | 17° | 74 mm | ★★★★☆ |
| 10月 | 18° | 10° | 79 mm | ★★★★☆ |
| 11月 | 10° | 3° | 68 mm | ★★★☆☆ |
| 12月 | 3° | -3° | 68 mm | ★★☆☆☆ |
気候 type: 大陸al. 出典: Open-Meteo archive (ERA5).
訪問に最適な時期 Cook County
Go in 5月, 6月, 8月, 9月 and 10月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Cook County
高いest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares、nearby places
Annual averages, and the difference against Cook County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Area Code 312 | 0 km | 11°C | about the same | 1034 mm |
| Chicago | 0 km | 11°C | about the same | 1034 mm |
| The Loop | 1 km | 11°C | about the same | 1034 mm |
| ZIP Code 60601 | 1 km | 11°C | about the same | 1034 mm |
| Wicker Park | 5 km | 11°C | about the same | 996 mm |
Whatからpack, whatからskip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
時間帯別のCook County 予報を見る
Cook County weather - more answers
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
天気 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 北アメリカ.
What is the weather like in Cook County現在?
It is currently 14°C (57°F)、曇り. 湿度 is 79% and wind is 9 km/h.
When is the best timeからvisit Cook County?
5月, 6月, 8月, 9月 and 10月 offer the most comfortable conditions in Cook County, which has a continental climate. 1月, 2月 and 12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 10:41 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airportからCook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top thingsから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. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 Service. |
| 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 10月 27, 2026 at 10:41 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





