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

In October, Chicago averages 18°C high / 9°C low with about 117 mm of rain; Detroit averages 18°C high / 9°C low with about 77 mm.

Chicago vs Detroit in October

Detroit is the better pick in October — 77 vs 73 on SeasonMap's comfort score. Detroit is cool, a little rain, clean air, while Chicago is nice, rainy, clean air.

Chicago vs Detroit — October climate, side by side

	🇺🇸 Chicago	🇺🇸 Detroit
Comfort score	73/100 (B)	77/100 (B)
Feels-like high	16°C	15°C
Avg high / low	18° / 9°	18° / 9°
Rainfall	117 mm	77 mm
Rainy days	10	9
Humidity	70%	72%
Air quality (AQI)	35	37

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

Month by month

Chicago 🇺🇸 United Statesnice, rainy, clean air · best September73
Detroit 🇺🇸 United Statescool, a little rain, clean air · best September77

Chicago vs Detroit in October — FAQ

Is October better in Chicago or Detroit?: Detroit is the better pick in October — 77 vs 73 on SeasonMap's comfort score. Detroit is cool, a little rain, clean air, while Chicago is nice, rainy, clean air.
What is the weather like in Chicago vs Detroit in October?: In October, Chicago averages 18°C high / 9°C low with about 117 mm of rain; Detroit averages 18°C high / 9°C low with about 77 mm.