Cook County Vejr Prognose
Cook County weather: 9°C, klart. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Risk assessment for Cook County
Derived from the current forecast window - not an official warning.
Peak gusts of 51 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 6 mm, 8 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Cook County
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| man, okt 5 | ☀️ Klar himmel | 16° / 7° | 0% | 15 km/h | 5 |
| tir, okt 6 | 🌤️ Mest klart | 19° / 8° | 4% | 17 km/h | 5 |
| ons, okt 7 | ☁️ Overskyet | 25° / 15° | 1% | 18 km/h | 5 |
| tor, okt 8 | ☁️ Overskyet | 20° / 15° | 2% | 15 km/h | 5 |
| fre, okt 9 | 🌦️ Light drizzle | 20° / 15° | 4% · 0 mm | 15 km/h | 5 |
| lør, okt 10 | 🌦️ Light drizzle | 28° / 15° | 2% · 0 mm | 17 km/h | 4 |
| søn, okt 11 | ☁️ Overskyet | 24° / 18° | 4% | 15 km/h | 3 |
| man, okt 12 | 🌧️ Heavy drizzle | 18° / 11° | 26% · 2 mm | 22 km/h | 1 |
| tir, okt 13 | 🌧️ Heavy drizzle | 10° / 8° | 34% · 6 mm | 30 km/h | 1 |
| ons, okt 14 | ☁️ Overskyet | 11° / 8° | 25% | 17 km/h | 4 |
| tor, okt 15 | ☁️ Overskyet | 12° / 8° | 17% | 10 km/h | 2 |
| fre, okt 16 | ☁️ Overskyet | 17° / 8° | 11% | 16 km/h | 4 |
| lør, okt 17 | ⛅ Delvist skyet | 18° / 9° | 3% | 16 km/h | 4 |
| søn, okt 18 | ☁️ Overskyet | 16° / 11° | 12% | 19 km/h | 4 |
| man, okt 19 | ☁️ Overskyet | 14° / 9° | 16% | 11 km/h | 3 |
| tir, okt 20 | ☀️ Klar himmel | -- / -- | 12% | -- | — |
What this means for Cook County
Today is slightly cooler than average for oktober. The forecast high of 16°C is 2.1°C below the 18°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni og august.
The gap between the warmest and coldest month averages 29°C.
Se prognosen for Cook County efter tidsinterval
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 Nordamerika.
What is the weather like in Cook County lige nu?
It is currently 9°C (47°F) med klart. Luftfugtighed is 72% and wind is 8 km/h.
When is the best time og visit Cook County?
maj, juni, august, september and oktober offer the most comfortable conditions in Cook County, which has a continental climate. januar, februar and december 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 4:29 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport og Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things og 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet 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 Vejr 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 oktober 5, 2026 at 4:29 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
