Cook County Počasí Předpověď
Cook County weather: 17°C, polojasno. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
Will it rain in Cook County?
No - rain is unlikely in Cook County today.
A 15% chance means most of the area stays dry; a passing shower is possible but short.
Over the next 7 days, about 4 mm of precipitation is forecast.
The next 7 days look unusually dry - roughly 22% of a normal srpen week (4 mm against 18 mm).
16-day forecast for Cook County
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| st, srp 26 | ☁️ Zataženo | 30° / 17° | 15% | 20 km/h | 7 |
| čt, srp 27 | ☁️ Zataženo | 24° / 17° | 5% | 16 km/h | 7 |
| pá, srp 28 | ☁️ Zataženo | 29° / 19° | 3% | 14 km/h | 7 |
| so, srp 29 | ☁️ Zataženo | 30° / 20° | 7% | 18 km/h | 6 |
| ne, srp 30 | 🌦️ Light drizzle | 32° / 21° | 10% · 1 mm | 27 km/h | 7 |
| po, srp 31 | 🌦️ Light drizzle | 32° / 24° | 25% · 2 mm | 24 km/h | 6 |
| út, zář 1 | 🌦️ Light drizzle | 32° / 23° | 31% · 2 mm | 18 km/h | 6 |
| st, zář 2 | 🌦️ Light drizzle | 24° / 20° | 19% · 2 mm | 17 km/h | 5 |
| čt, zář 3 | 🌦️ Light drizzle | 24° / 20° | 18% · 0 mm | 17 km/h | 5 |
| pá, zář 4 | ☁️ Zataženo | 24° / 18° | 22% | 17 km/h | 6 |
| so, zář 5 | ☁️ Zataženo | 24° / 18° | 22% | 14 km/h | 6 |
| ne, zář 6 | 🌦️ Mrholení | 27° / 17° | 27% · 2 mm | 18 km/h | 4 |
| po, zář 7 | 🌦️ Light drizzle | 23° / 16° | 13% · 0 mm | 16 km/h | 6 |
| út, zář 8 | 🌧️ Heavy drizzle | 21° / 16° | 20% · 7 mm | 24 km/h | 3 |
| st, zář 9 | 🌦️ Mrholení | 20° / 13° | 23% · 2 mm | 26 km/h | 6 |
| čt, zář 10 | ☀️ Jasná obloha | -- / -- | 27% | -- | — |
What this means for Cook County
Today is slightly warmer than average for srpen. The forecast high of 30°C is 3.5°C above the 26°C typical for this month.
A 15% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in červen do srpen.
The gap between the warmest and coldest month averages 29°C.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid leden, únor and prosinec - historically the least comfortable months here.
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Cook County weather - more answers
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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 (63°F) s polojasno. Vlhkost is 84% and wind is 8 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 4:03 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 srpen 26, 2026 at 4:03 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
