Illinois, United States Climate Records

Warmest October Days

The warmest October days in Illinois are:

Belleville, Illinois195395°F
Moline, Illinois200695°F
Springfield, Illinois200693°F
Peoria, Illinois200693°F
Belleville, Illinois195293°F

Coldest October Days

The coldest October days in Illinois were:

Moline, Illinois198816°F
Chicago, Illinois198116.9°F
Chicago, Illinois194818.3°F
Chicago, Illinois196219°F
Chicago, Illinois195219.4°F

Wettest October Days

The wettest single days in October occurred:

Chicago, Illinois19894 inches
Chicago, Illinois20013.8 inches
Springfield, Illinois19733.4 inches
Moline, Illinois19983.4 inches
Chicago, Illinois19883.3 inches