🇺🇸 Harrisburg vs 🇺🇸 Chicago
Weather Comparison
Current Weather Right Now
🇺🇸
Harrisburg

55°F
Overcast Clouds
Feels like 53°F
H 57°F / L 53°F
Humidity: 70%
🇺🇸
Chicago

51°F
Clear Sky
Feels like 48°F
H 54°F / L 48°F
Humidity: 43%
Climate Overview
Harrisburg
Harrisburg, Pennsylvania's capital, on the Susquehanna River at the eastern edge of the Appalachians has an interesting transitional climate. The Susquehanna provides humidity and flooding risk (the 1972 Agnes flood was catastrophic here) while the Appalachian ridges to the west create some weather modification. Three Mile Island's nuclear plant just south made the city world-famous for a near-disaster in 1979.
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 | 🇺🇸 Harrisburg | 🇺🇸 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 |
Harrisburg vs Chicago: Frequently Asked Questions
Does Harrisburg or Chicago have better weather?
Harrisburg and Chicago have very different climates. Harrisburg, Pennsylvania's capital, on the Susquehanna River at the eastern edge of the Appalachians 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 Harrisburg vs Chicago?
Best time for Harrisburg: spring and fall. Best time for Chicago: May, June, September.