City in Illinois

Chicago Éghajlat and Average Időjárás

Éghajlat of Chicago: average temperatures, rainfall and seasons month by month.

🌙 10°C now🕔 3:06 PM local📅 Best: máj, június, augusztus, szeptember and október👥 2.7 million

Éghajlat in Chicago month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmáápmájújúaugszeoktnovdecLine: average high · Bars: rainfall
HónapAvg highAvg lowEsőfallRating
január-2°-8°73 mm★★☆☆☆
február4°-4°19 mm★★★☆☆
március11°1°103 mm★★★☆☆
április15°6°113 mm★★★☆☆
máj20°11°68 mm★★★★☆
június26°18°126 mm★★★★☆
július28°20°127 mm★★★★☆
augusztus27°19°116 mm★★★★☆
szeptember24°17°74 mm★★★★☆
október18°10°79 mm★★★★☆
november10°3°68 mm★★★☆☆
december3°-3°68 mm★★☆☆☆

Éghajlat type: Kontinensal. Forrás: Open-Meteo archive (ERA5).

Recent extremes in Chicago

Magasest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day36°Caug 27, 2024
Coldest night-25°Cjan 15, 2024
Wettest day78 mmaug 1, 2026

How Chicago compares és nearby places

Annual averages, and the difference against Chicago.

PlaceDistanceAvg tempvs hereAnnual rain
Cook County0 km11°Cabout the same1034 mm
Indiana Dunes National Park54 km11°Cabout the same1110 mm
Starved Rock State Park129 km12°C+1°C warmer1052 mm
Milwaukee131 km10°C1°C cooler898 mm
Wisconsin197 km10°C2°C cooler888 mm

Éghajlat by airport in Chicago

1 airports mapped in this atlas

Éghajlat by district in Chicago

2 districts and neighborhoods mapped in this atlas

Éghajlat by zip / postal code in Chicago

1 zip and postal codes mapped in this atlas

Éghajlat by area code in Chicago

1 area codes mapped in this atlas

Legjobb idő a látogatásra Chicago

Go in máj, június, augusztus, szeptember and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: január, február and december - expect the least comfortable mix of heat, cold or rain.

január★★☆☆☆
február★★★☆☆
március★★★☆☆
április★★★☆☆
máj★★★★☆
június★★★★☆
július★★★★☆
augusztus★★★★☆
szeptember★★★★☆
október★★★★☆
november★★★☆☆
december★★☆☆☆

What this means for Chicago

Compared és normal

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.

Eső chance explained

Eső is very unlikely today - plans do not need a backup.

Utazás and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in június és augusztus.

Worth knowing

The gap between the warmest and coldest month averages 29°C.

What és pack, what és skip

Pack for the next 7 days
  • Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid január, február and december - historically the least comfortable months here.

Összefoglaló

Chicago is a city in Illinois. Chicago is known for Architecture, deep-dish and lakefront. Lakossága körülbelül 2.7 million.

Jelenleg 10°C (49°F) in Chicago és derült. A hőérzet 7°C. Ma a hőmérséklet 10°C és 23°C. A csapadék valószínűsége 1%. Sightseeing conditions score 8.7/10 - kiváló — indulhat.

A legjobb időszak Chicago is máj, június, augusztus, szeptember and október. Az éghajlat continental. január, február and december tend és be the least comfortable months. július is the warmest month és average highs near 28°C, while január is the coldest és lows near -8°C.

The closest major airport is O'Hare International Airport (ORD), about 25 km away. Nearby highlights include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.

Egyszerűen fogalmazva. 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. The best window és be outside is roughly 12 PM és 3 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Chicago today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about Chicago

TípusCity
StateIllinois
OrszágEgyesült Államok
KontinensÉszak-Amerika
Koordináták41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298)
Népesség2.700.000
Known forArchitecture, deep-dish and lakefront
Helyi idő3:06 PM (UTC-05:00)
Best monthsmáj, június, augusztus, szeptember and október
ÉghajlatKontinensal

Időjárás map for Chicago

Animated model layers. Pick a layer és load it.

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Animated layers by Szély. For pin-level detail and nearby places, see the interactive map below.

Explore Chicago

Every topic we hold for this place, and the same topic for the places around it.

Éghajlat for related places

Frequently asked questions

Where is Chicago?

Chicago is a city in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Észak-Amerika.

What is the weather like in Chicago jelenleg?

It is currently 10°C (49°F) és derült. Páratartalom is 80% and wind is 9 km/h.

When is the best time és visit Chicago?

máj, június, augusztus, szeptember and október offer the most comfortable conditions in Chicago, which has a continental climate. január, február and december are usually the hardest months for outdoor plans.

What time zone is Chicago in?

Chicago observes America/Chicago (UTC-05:00). The local time is 3:06 PM.

How many people live in Chicago?

Chicago has a population of approximately 2.7 million.

What is the nearest airport és Chicago?

The closest airports are O'Hare International Airport (ORD), 25 km away.

What are the top things és do in Chicago?

Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.

What places are in Chicago?

Chicago covers 5 places in this atlas, including O'Hare International Airport, The Loop, Wicker Park, ZIP Code 60601 and Area Code 312.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts.
Előrejelzés and observationsOpen-Meteo (ECMWF and national models).
Levegőminőség and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Éghajlat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Időjárás Service.
MethodScores, 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 3:06 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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