Chicago Recorded Record High Temperature on October 12
The city reached a record high of 87 degrees at O'Hare International Airport.
Updated on Oct. 12, 2026 in Current Conditions
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Chicago reached a new record high temperature of 87 degrees on October 12, 2026. This figure surpassed the previous daily record of 84 degrees, which was established in 2008.
Why it matters
The unseasonably warm weather drew residents to local outdoor spaces like 31st Street Beach. While the current warmth is notable, temperatures are expected to shift significantly by the end of the week.
Chicago recorded a high of 87 degrees at O'Hare International Airport, surpassing the 2008 record of 84 degrees by 3 degrees. Forecasters note that temperatures may climb further today before dropping to the upper 30s by the end of the week.
The players
O'Hare International Airport
This facility serves as the primary weather monitoring station for official Chicago temperature recordings.
The details
The heat prompted residents to visit the 31st Street Beach to enjoy the unusually warm conditions. Meteorological forecasts indicate a sharp cooling trend in the coming days, with overnight lows potentially reaching the upper 30s.
Timeline
2008: The previous daily record high of 84 degrees was set.
October 12, 2026: A new record high of 87 degrees was recorded.
End of this week: Overnight temperatures could drop to the upper 30s.
Seasonal Patterns
The 2008 Chicago daily record high provides the baseline for this latest heat event in the city. This record-breaking temperature updates the established historical data for the month of October.
Residents should prepare for a significant temperature drop, with overnight lows expected to reach the upper 30s by the end of the week. Plan for cooler conditions accordingly as the unseasonably warm weather concludes.
The takeaway
This record-breaking heat provides a reminder of how quickly seasonal weather patterns can fluctuate in the Midwest. Residents should stay updated on local forecasts to prepare for the transition toward much colder evening temperatures.
Further reading
For more information on local weather trends, visit the Chicago Current Conditions page.
Source note: This article includes information reported by CBS News.
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