Cook County Veður Spá
Cook County weather: 10°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Will it rain in Cook County?
No - rain is unlikely in Cook County today.
Rigning is very unlikely today - plans do not need a backup.
Over the next 7 days, about 49 mm of precipitation is forecast, með the wettest days falling on þri..
The next 7 days carry about 2.6 times a normal week's rain for október (49 mm against 18 mm).
16-day forecast for Cook County
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| mið., okt 28 | ☁️ Skýjað | 23° / 10° | 1% | 16 km/h | 4 |
| fim., okt 29 | 🌧️ Rigning | 19° / 10° | 20% · 3 mm | 19 km/h | 3 |
| fös., okt 30 | ☁️ Skýjað | 13° / 12° | 10% | 16 km/h | 3 |
| lau., okt 31 | 🌦️ Lítil rigning | 15° / 11° | 32% · 4 mm | 16 km/h | 2 |
| sun., nóv 1 | 🌦️ Drizzle | 14° / 13° | 18% · 3 mm | 15 km/h | 0 |
| mán., nóv 2 | 🌦️ Light showers | 14° / 13° | 39% · 6 mm | 22 km/h | 0 |
| þri., nóv 3 | 🌧️ Rigning | 13° / 13° | 52% · 33 mm | 23 km/h | 0 |
| mið., nóv 4 | 🌦️ Lítil rigning | 14° / 13° | 48% · 14 mm | 20 km/h | 0 |
| fim., nóv 5 | 🌦️ Lítil rigning | 14° / 11° | 34% · 7 mm | 28 km/h | 0 |
| fös., nóv 6 | ☁️ Skýjað | 11° / 7° | 15% | 27 km/h | 3 |
| lau., nóv 7 | ☁️ Skýjað | 9° / 6° | 16% | 15 km/h | 2 |
| sun., nóv 8 | 🌤️ Að mestu heiðskýrt | 10° / 6° | 10% | 10 km/h | 3 |
| mán., nóv 9 | ☁️ Skýjað | 12° / 6° | 23% | 15 km/h | 3 |
| þri., nóv 10 | 🌦️ Lítil rigning | 11° / 9° | 23% · 14 mm | 18 km/h | 0 |
| mið., nóv 11 | 🌦️ Light showers | 9° / 6° | 17% · 20 mm | 39 km/h | 0 |
| fim., nóv 12 | 🌦️ Light drizzle | 8° / 6° | 26% · 3 mm | 29 km/h | 0 |
What this means for Cook County
Today is warmer than average for október. The forecast high of 23°C is 5.3°C above the 18°C typical for this month.
Rigning 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 júní til ágúst.
The gap between the warmest and coldest month averages 29°C.
What til pack, what til skip
- Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Sjá spá fyrir Cook County eftir tímabili
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 Norður-Ameríka.
What is the weather like in Cook County núna?
It is currently 10°C (49°F) með clear. Raki is 80% and wind is 9 km/h.
When is the best time til visit Cook County?
maí, júní, ágúst, september and október offer the most comfortable conditions in Cook County, which has a continental climate. janúar, febrúar and desember 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 6:07 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport til Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 28, 2026 at 6:07 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
