Cook County Počasí Předpověď
Cook County weather: 17°C, zataženo. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
Risk assessment for Cook County
Derived from the current forecast window - not an official warning.
Peak gusts of 60 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 25 mm, 26 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Cook County
Hydrologic Outlook issued září 30 at 1:02PM CDT by NWS Chicago IL
Issued by NWS Chicago IL
16-day forecast for Cook County
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| čt, říj 1 | 🌧️ Heavy rain | 24° / 17° | 87% · 25 mm | 19 km/h | 1 |
| pá, říj 2 | ☁️ Zataženo | 15° / 13° | 25% | 21 km/h | 5 |
| so, říj 3 | 🌤️ Většinou jasno | 18° / 13° | 0% | 16 km/h | 5 |
| ne, říj 4 | ☁️ Zataženo | 22° / 13° | 1% | 18 km/h | 5 |
| po, říj 5 | ☁️ Zataženo | 15° / 11° | 0% | 19 km/h | 5 |
| út, říj 6 | ⛅ Polojasno | 18° / 9° | 0% | 14 km/h | 5 |
| st, říj 7 | 🌦️ Light drizzle | 20° / 13° | 7% · 1 mm | 23 km/h | 3 |
| čt, říj 8 | 🌤️ Většinou jasno | 17° / 13° | 3% | 14 km/h | 5 |
| pá, říj 9 | ☁️ Zataženo | 24° / 12° | 2% | 23 km/h | 4 |
| so, říj 10 | 🌦️ Light drizzle | 27° / 18° | 8% · 0 mm | 27 km/h | 4 |
| ne, říj 11 | 🌦️ Light drizzle | 20° / 14° | 15% · 0 mm | 19 km/h | 4 |
| po, říj 12 | ⛅ Polojasno | 21° / 12° | 19% | 21 km/h | 4 |
| út, říj 13 | ☁️ Zataženo | 18° / 13° | 19% | 14 km/h | 4 |
| st, říj 14 | ☀️ Jasná obloha | 25° / 14° | 19% | 25 km/h | 4 |
| čt, říj 15 | 🌤️ Většinou jasno | 22° / 12° | 12% | 24 km/h | 4 |
| pá, říj 16 | ☀️ Jasná obloha | -- / -- | 12% | -- | — |
What this means for Cook County
Today is warmer than average for říjen. The forecast high of 24°C is 6°C above the 18°C typical for this month.
A 87% chance means rain is expected over most of the area. Plan indoor alternatives. Around 25 mm is forecast, which is enough do soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in červen do srpen.
The gap between the warmest and coldest month averages 29°C.
Zobrazit předpověď pro Cook County podle časového období
Cook County weather - more answers
Explore Cook County
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Frequently asked questions
Where is Cook County?
Cook County is a county in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Severní Amerika.
What is the weather like in Cook County právě teď?
It is currently 17°C (62°F) s zataženo. Vlhkost is 90% and wind is 7 km/h.
When is the best time do visit Cook County?
kvě, červen, srpen, září and říjen offer the most comfortable conditions in Cook County, which has a continental climate. leden, únor and prosinec 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 8:00 AM.
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 data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Počasí 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 říjen 1, 2026 at 8:00 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





