Cook County Wetter Vorhersage
Cook County weather: 10°C, klar. Stündlich forecast, 14-day outlook, UV, air quality and the best time und visit.
Cook County weather in August
One of the best months und visit Cook County.
August runs 11°C warmer than the annual average in Cook County.
Compare mit September.
Wetter map for Cook County
Animated model layers. Pick a layer und load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Klima in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Monat | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | -2° | -8° | 73 mm | ★★☆☆☆ |
| Februar | 4° | -4° | 19 mm | ★★★☆☆ |
| März | 11° | 1° | 103 mm | ★★★☆☆ |
| April | 15° | 6° | 113 mm | ★★★☆☆ |
| Mai | 20° | 11° | 68 mm | ★★★★☆ |
| Juni | 26° | 18° | 126 mm | ★★★★☆ |
| Juli | 28° | 20° | 127 mm | ★★★★☆ |
| August | 27° | 19° | 116 mm | ★★★★☆ |
| September | 24° | 17° | 74 mm | ★★★★☆ |
| Oktober | 18° | 10° | 79 mm | ★★★★☆ |
| November | 10° | 3° | 68 mm | ★★★☆☆ |
| Dezember | 3° | -3° | 68 mm | ★★☆☆☆ |
Klima type: Kontinental. Quelle: Open-Meteo archive (ERA5).
Beste Reisezeit Cook County
Go in Mai, Juni, August, September and Oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Januar, Februar and Dezember – expect the least comfortable mix of heat, cold or rain.
What und pack, what und skip
- Layers – the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid Januar, Februar and Dezember – historically the least comfortable months here.
How Cook County compares mit nearby places
Annual averages, and the difference against Cook County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Area Code 312 | 0 km | 11°C | about the same | 1034 mm |
| Chicago | 0 km | 11°C | about the same | 1034 mm |
| The Loop | 1 km | 11°C | about the same | 1034 mm |
| ZIP Code 60601 | 1 km | 11°C | about the same | 1034 mm |
| Wicker Park | 5 km | 11°C | about the same | 996 mm |
Vorhersage für Cook County nach Zeitraum ansehen
Cook County weather – more answers
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
Wetter for related places
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 jetzt?
It is currently 10°C (49°F) mit klar. Luftfeuchtigkeit is 80% and wind is 9 km/h.
When is the best time und visit Cook County?
Mai, Juni, August, September and Oktober offer the most comfortable conditions in Cook County, which has a continental climate. Januar, Februar and Dezember are usually the hardest months for outdoor plans.
What time zone is Cook County in?
Cook County observes America/Chicago (UTC-05:00). The Ortszeit is 9:41 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport und Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things und 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. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität 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 Wetter 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 28, 2026 at 9:41 AM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
