Halloween Temperatures 2024 Chicago. That would make this halloween one of the 10 warmest ever recorded there, according to zachary yack, a meteorologist at the chicago branch of. Wednesday temperatures will be just shy of the record high for oct.

The coldest halloween in chicago was in 1873, with a high of 31 degrees and a low of 23 degrees. Official weather records for chicago date back to 1871 for temperatures and precipitation, and to 1884 for snowfall.