Chicago Κλίμα and Average Καιρός
Κλίμα of Chicago: average temperatures, rainfall and seasons month by month.
Κλίμα in Chicago month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Μήνας | Avg high | Avg low | Βροχήfall | Rating |
|---|---|---|---|---|
| Ιανουάριος | -2° | -8° | 73 mm | ★★☆☆☆ |
| Φεβρουάριος | 4° | -4° | 19 mm | ★★★☆☆ |
| Μάρτιος | 11° | 1° | 103 mm | ★★★☆☆ |
| Απρίλιος | 15° | 6° | 113 mm | ★★★☆☆ |
| Μάι | 20° | 11° | 68 mm | ★★★★☆ |
| Ιούνιος | 26° | 18° | 126 mm | ★★★★☆ |
| Ιούλιος | 28° | 20° | 127 mm | ★★★★☆ |
| Αύγουστος | 27° | 19° | 116 mm | ★★★★☆ |
| Σεπτέμβριος | 24° | 17° | 74 mm | ★★★★☆ |
| Οκτώβριος | 18° | 10° | 79 mm | ★★★★☆ |
| Νοέμβριος | 10° | 3° | 68 mm | ★★★☆☆ |
| Δεκέμβριος | 3° | -3° | 68 mm | ★★☆☆☆ |
Κλίμα type: Ήπειροςal. Πηγή: Open-Meteo archive (ERA5).
Recent extremes in Chicago
Υψηλόest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Chicago compares με nearby places
Annual averages, and the difference against Chicago.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Cook County | 0 km | 11°C | about the same | 1034 mm |
| Indiana Dunes National Park | 54 km | 11°C | about the same | 1110 mm |
| Starved Rock State Park | 129 km | 12°C | +1°C warmer | 1052 mm |
| Milwaukee | 131 km | 10°C | 1°C cooler | 901 mm |
| Wisconsin | 197 km | 10°C | 2°C cooler | 888 mm |
Κλίμα by airport in Chicago
1 airports mapped in this atlas
Κλίμα by district in Chicago
2 districts and neighborhoods mapped in this atlas
Κλίμα by zip / postal code in Chicago
1 zip and postal codes mapped in this atlas
Κλίμα by area code in Chicago
1 area codes mapped in this atlas
Καλύτερη εποχή για επίσκεψη Chicago
Go in Μάι, Ιούνιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Ιανουάριος, Φεβρουάριος and Δεκέμβριος - expect the least comfortable mix of heat, cold or rain.
What this means for Chicago
Today is about average for Οκτώβριος. The forecast high of 17°C is in line με the 18°C typical for this month.
Βροχή 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 Ιούνιος έως Αύγουστος.
The gap between the warmest and coldest month averages 29°C.
What έως pack, what έως skip
- Layers - the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid Ιανουάριος, Φεβρουάριος and Δεκέμβριος - historically the least comfortable months here.
Περίληψη
Chicago is a city in Illinois. Chicago is known for Architecture, deep-dish and lakefront. Ο πληθυσμός είναι περίπου 2.7 million.
Αυτή τη στιγμή είναι 7°C (44°F) in Chicago με Νεφελώδης. Η αισθητή θερμοκρασία είναι 5°C. Σήμερα η θερμοκρασία κυμαίνεται από 7°C έως 17°C. Η πιθανότητα βροχής είναι 0%. Sightseeing conditions score 8.4/10 - Καλές συνθήκες.
Η καλύτερη εποχή για επίσκεψη στο Chicago is Μάι, Ιούνιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος. Το κλίμα είναι continental. Ιανουάριος, Φεβρουάριος and Δεκέμβριος tend έως be the least comfortable months. Ιούλιος is the warmest month με average highs near 28°C, while Ιανουάριος is the coldest με 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.
Με απλά λόγια. Today is about average for Οκτώβριος. The forecast high of 17°C is in line με the 18°C typical for this month. The best window έως be outside is roughly 2 PM έως 5 PM, when temperature, rain chance and wind line up best. running is the strongest bet in Chicago today at 9.8/10. 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
| Τύπος | City |
|---|---|
| State | Illinois |
| Χώρα | Ηνωμένες Πολιτείες |
| Ήπειρος | Βόρεια Αμερική |
| Συντεταγμένες | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Πληθυσμός | 2.700.000 |
| Known for | Architecture, deep-dish and lakefront |
| Τοπική ώρα | 5:10 PM (UTC-05:00) |
| Best months | Μάι, Ιούνιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος |
| Κλίμα | Ήπειροςal |
Καιρός map for Chicago
Animated model layers. Pick a layer έως load it.
Animated layers by Άνεμοςy. 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.
Κλίμα 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 Βόρεια Αμερική.
What is the weather like in Chicago τώρα?
It is currently 7°C (44°F) με Νεφελώδης. Υγρασία is 100% and wind is 5 km/h.
When is the best time έως visit Chicago?
Μάι, Ιούνιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος offer the most comfortable conditions in Chicago, which has a continental climate. Ιανουάριος, Φεβρουάριος and Δεκέμβριος 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 5:10 PM.
How many people live in Chicago?
Chicago has a population of approximately 2.7 million.
What is the nearest airport έως Chicago?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things έως 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 data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Πρόγνωση and observations | Open-Meteo (ECMWF and national models). |
| Ποιότητα αέρα and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Κλίμα averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Καιρός 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 Οκτώβριος 23, 2026 at 5:10 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
