Weather History for Chicago, IL

Data is available up to December 21, 2024.

Interested in weather history? Access weather history data for dates going back to 1945! It's both useful and fun—whether you're planning a trip or just want to know the weather on a special date.

The Old Farmer's Almanac weather history tool provides access to weather reports from over 1,300 weather stations in cities across the United States and Canada, reporting on past temperatures, precipitation, snow, pressure, dew point, and wind speeds. 

How do you use weather history? There are so many practices uses for business from developing informed business forecasts to understanding road and accident conditions. But also there are personal reasons; for example, knowing about typical weather is helpful for vacation travel, planning an outdoor event or wedding, and planning for outdoor activities such as sailing (think wind!).

Looking forward? See the famous Old Farmer's Almanac long-range weather predictions.

Weather data collected from the National Climatic Data Center Global Surface Summary of Day. Information from the NCDC may be incomplete. Not every station reports every day, and some stations never report certain values.