City in Illinois

Chicago Klima and Average Wetter

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

🌙 13°C now🕔 10:11 PM local📅 Best: Mai, Juni, August, September and Oktober👥 2.7 million

Klima in Chicago month by month

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

JanFebMäAprMaiJunJulAugSepOktNovDezLine: average high · Bars: rainfall
MonatDurchschnittliches MaximumDurchschnittliches MinimumNiederschlagBewertung
Januar-2°-8°73 mm★★☆☆☆
Februar4°-4°19 mm★★★☆☆
März11°1°103 mm★★★☆☆
April15°6°113 mm★★★☆☆
Mai20°11°68 mm★★★★☆
Juni26°18°126 mm★★★★☆
Juli28°20°127 mm★★★★☆
August27°19°116 mm★★★★☆
September24°17°74 mm★★★★☆
Oktober18°10°79 mm★★★★☆
November10°3°68 mm★★★☆☆
Dezember3°-3°68 mm★★☆☆☆

Klima type: Kontinental. Quelle: Open-Meteo archive (ERA5).

Recent extremes in Chicago

Hochest 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 mit 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 cooler901 mm
Wisconsin197 km10°C2°C cooler888 mm

Klima by airport in Chicago

1 airports mapped in this atlas

Klima by district in Chicago

2 districts and neighborhoods mapped in this atlas

Klima by zip / postal code in Chicago

1 zip and postal codes mapped in this atlas

Klima by area code in Chicago

1 area codes mapped in this atlas

Beste Reisezeit Chicago

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.

Januar★★☆☆☆
Februar★★★☆☆
März★★★☆☆
April★★★☆☆
Mai★★★★☆
Juni★★★★☆
Juli★★★★☆
August★★★★☆
September★★★★☆
Oktober★★★★☆
November★★★☆☆
Dezember★★☆☆☆

What this means for Chicago

Compared mit normal

Today is about average for Oktober. The forecast high of 17°C is in line mit the 18°C typical for this month.

Regen chance explained

Regen is very unlikely today – plans do not need a backup.

Reisen 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 Juni und August.

Worth knowing

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

What und pack, what und skip

Pack for the next 7 days
  • So.glasses, a brimmed hat and SPF 30+
  • Layers – the daily swing is 18°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid Januar, Februar and Dezember – historically the least comfortable months here.

Zusammenfassung

Chicago is a city in Illinois. Chicago is known for Architecture, deep-dish and lakefront. Die Einwohnerzahl beträgt etwa 2.7 million.

Aktuell sind es 13°C (55°F) in Chicago mit klar. Die gefühlte Temperatur beträgt 10°C. Heute liegen die Temperaturen zwischen 7°C und 17°C. Die Niederschlagswahrscheinlichkeit beträgt 0%. Die Bedingungen für Besichtigungen erreichen 9.1/10 – ausgezeichnet — jetzt los.

Die beste Reisezeit für Chicago is Mai, Juni, August, September and Oktober. Das Klima ist continental. Januar, Februar and Dezember sind meist die ungemütlichsten Mo.ate. Juli ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 28°C, während Januar ist der kälteste Mo.at mit Tiefstwerten um -8°C.

Der nächstgelegene große Flughafen ist O'Hare International Airport (ORD), about 25 km away. Zu den Sehenswürdigkeiten in der Nähe gehören Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.

Kurz gesagt. Today is about average for Oktober. The forecast high of 17°C is in line mit the 18°C typical for this month. The best window und be outside is roughly 3 PM und 6 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

TypCity
StateIllinois
LandVereinigte Staaten
KontinentNordamerika
Koordinaten41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298)
Bevölkerung2.700.000
Known forArchitecture, deep-dish and lakefront
Ortszeit10:11 PM (UTC-05:00)
Beste MonateMai, Juni, August, September and Oktober
KlimaKontinental

Wetter map for Chicago

Animated model layers. Pick a layer und load it.

Loading map…

Animated layers by Windy. 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.

Klima 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 Nordamerika.

What is the weather like in Chicago jetzt?

It is currently 13°C (55°F) mit klar. Luftfeuchtigkeit is 70% and wind is 14 km/h.

When is the best time und visit Chicago?

Mai, Juni, August, September and Oktober offer the most comfortable conditions in Chicago, which has a continental climate. Januar, Februar and Dezember are usually the hardest months for outdoor plans.

What time zone is Chicago in?

Chicago observes America/Chicago (UTC-05:00). The Ortszeit is 10:11 PM.

How many people live in Chicago?

Chicago has a population of approximately 2.7 million.

What is the nearest airport und Chicago?

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

What are the top things und 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.
Vorhersage and observationsOpen-Meteo (ECMWF and national models).
Luftqualität and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Wetter 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 Oktober 5, 2026 at 10:11 PM Ortszeit. 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.

More from Davil Hofile