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.
Sníh forecast for Cook County
No snow is in the current forecast window for Cook County.
0 of the next 16 nights are forecast do reach freezing.
Historically, average lows drop below freezing in leden, únor and prosinec.
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% | -- | — |
Klima in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | -2° | -8° | 73 mm | ★★☆☆☆ |
| únor | 4° | -4° | 19 mm | ★★★☆☆ |
| březen | 11° | 1° | 103 mm | ★★★☆☆ |
| duben | 15° | 6° | 113 mm | ★★★☆☆ |
| kvě | 20° | 11° | 68 mm | ★★★★☆ |
| červen | 26° | 18° | 126 mm | ★★★★☆ |
| červenec | 28° | 20° | 127 mm | ★★★★☆ |
| srpen | 27° | 19° | 116 mm | ★★★★☆ |
| září | 24° | 17° | 74 mm | ★★★★☆ |
| říjen | 18° | 10° | 79 mm | ★★★★☆ |
| listopad | 10° | 3° | 68 mm | ★★★☆☆ |
| prosinec | 3° | -3° | 68 mm | ★★☆☆☆ |
Klima type: Kontinental. Zdroj: Open-Meteo archive (ERA5).
What do pack, what do skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid leden, únor and prosinec - historically the least comfortable months here.
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.
