🇺🇸 Philadelphia vs 🇺🇸 Chicago
Weather Comparison
Current Weather Right Now
🇺🇸
Philadelphia
59°F
Moderate Rain
Feels like 59°F
H 61°F / L 56°F
Humidity: 93%
🇺🇸
Chicago
51°F
Clear Sky
Feels like 48°F
H 54°F / L 48°F
Humidity: 43%
Climate Overview
Philadelphia
Philadelphia in the Delaware River valley has a humid subtropical climate transitioning to continental. The city's urban heat island is intense — dense rowhouse neighborhoods without significant green space are among the East Coast's most heat-vulnerable. The Delaware and Schuylkill Rivers provide some humidity while the Piedmont hills to the north create varied terrain.
Chicago
Humid continental — cold harsh winters, hot humid summers, severe storms
Chicago lives up to its Windy City nickname. Lake Michigan creates its own microclimate — cooler summers and heavier lake-effect snow in winter. Summers are warm but brief; winters are among the harshest of any major American city.
Seasonal Comparison
| Season | 🇺🇸 Philadelphia | 🇺🇸 Chicago |
|---|---|---|
| Spring | — | 35–65°F March–May |
| Summer | — | 70–84°F June–August |
| Fall | — | 45–68°F September–November |
| Winter | — | 17–32°F December–February |
Philadelphia vs Chicago: Frequently Asked Questions
Does Philadelphia or Chicago have better weather?
Philadelphia and Chicago have very different climates. Philadelphia in the Delaware River valley has a humid subtropical climate transitioning to continent Chicago: Humid continental — cold harsh winters, hot humid summers, severe storms. The best city depends on your preferred season and temperature range.
When is the best time to visit Philadelphia vs Chicago?
Best time for Philadelphia: spring and fall. Best time for Chicago: May, June, September.