Cook County 날씨 예보
Cook County weather: 7°C, 맑음. 시간별 forecast, 14-day outlook, UV, air quality and the best time에서 visit.
Cook County weather in 9월
One of the best months에서 visit Cook County.
9월 runs 9°C warmer than the annual average in Cook County.
날씨 map for Cook County
Animated model layers. Pick a layer에서 load it.
Animated layers by 바람y. For pin-level detail and nearby places, see the interactive map below.
기후 in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 월 | Avg high | Avg low | 비fall | Rating |
|---|---|---|---|---|
| 1월 | -2° | -8° | 73 mm | ★★☆☆☆ |
| 2월 | 4° | -4° | 19 mm | ★★★☆☆ |
| 3월 | 11° | 1° | 103 mm | ★★★☆☆ |
| 4월 | 15° | 6° | 113 mm | ★★★☆☆ |
| 5월 | 20° | 11° | 68 mm | ★★★★☆ |
| 6월 | 26° | 18° | 126 mm | ★★★★☆ |
| 7월 | 28° | 20° | 127 mm | ★★★★☆ |
| 8월 | 27° | 19° | 116 mm | ★★★★☆ |
| 9월 | 24° | 17° | 74 mm | ★★★★☆ |
| 10월 | 18° | 10° | 79 mm | ★★★★☆ |
| 11월 | 10° | 3° | 68 mm | ★★★☆☆ |
| 12월 | 3° | -3° | 68 mm | ★★☆☆☆ |
기후 type: 대륙al. 출처: Open-Meteo archive (ERA5).
방문하기 좋은 시기 Cook County
Go in 5월, 6월, 8월, 9월 and 10월. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1월, 2월 and 12월 - expect the least comfortable mix of heat, cold or rain.
What에서 pack, what에서 skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid 1월, 2월 and 12월 - historically the least comfortable months here.
How Cook County compares이며 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 |
시간대별 Cook County 예보 보기
Cook County weather - more answers
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
날씨 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 북아메리카.
What is the weather like in Cook County 현재?
It is currently 7°C (45°F)이며 맑음. 습도 is 78% and wind is 6 km/h.
When is the best time에서 visit Cook County?
5월, 6월, 8월, 9월 and 10월 offer the most comfortable conditions in Cook County, which has a continental climate. 1월, 2월 and 12월 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 6:51 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport에서 Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things에서 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. |
|---|---|
| 예보 and observations | Open-Meteo (ECMWF and national models). |
| 대기질 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 기후 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 날씨 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 10월 22, 2026 at 6:51 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
