🇺🇸 Harrisburg vs 🇺🇸 Chicago

Weather Comparison

Current Weather Right Now

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Harrisburg

overcast clouds

55°F

Overcast Clouds

Feels like 53°F

H 57°F / L 53°F

Humidity: 70%

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Chicago

clear sky

51°F

Clear Sky

Feels like 48°F

H 54°F / L 48°F

Humidity: 43%

Climate Overview

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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.

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Chicago

Humid continental — cold harsh winters, hot humid summers, severe storms

Best monthsMay, June, September
AvoidJanuary, February, March (brutal cold)
Annual rain38 inches (965 mm)

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.

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