What is the weather like in Boston vs Chicago in October?

In October, Boston averages 18°C high / 9°C low with about 100 mm of rain; Chicago averages 18°C high / 9°C low with about 117 mm.

Boston vs Chicago in October

Boston and Chicago are nearly tied in October — 74 vs 73 on SeasonMap's comfort score. Boston is nice, rainy, clean air; Chicago is nice, rainy, clean air.

Boston vs Chicago — October climate, side by side

	Boston	Chicago
Comfort score	74/100 (B)	73/100 (B)
Feels-like high	16°C	16°C
Avg high / low	18° / 9°	18° / 9°
Rainfall	100 mm	117 mm
Rainy days	9	10
Humidity	76%	70%
Air quality (AQI)	39	35

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Boston vs Chicago in October — FAQ

Is October better in Boston or Chicago?: Boston and Chicago are nearly tied in October — 74 vs 73 on SeasonMap's comfort score. Boston is nice, rainy, clean air; Chicago is nice, rainy, clean air.
What is the weather like in Boston vs Chicago in October?: In October, Boston averages 18°C high / 9°C low with about 100 mm of rain; Chicago averages 18°C high / 9°C low with about 117 mm.