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Data Calendar for Chicago OHare

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Jul 2026Aug 2026 Sep 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
26272829303101
High: 73
Low: 65
Precip: 1.85
Snow: 0.0
Snow Depth: 0.0
Avg Wind: ENE @ 17.6
Gust:
NNE @ 35
(2:08 PM)
RH% Min/Max: 76-97
Feel Min/Max: 65 to 72
02
High: 78
Low: 65
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: N @ 14.0
Gust:
NNE @ 31
(9:22 AM)
RH% Min/Max: 66-93
Feel Min/Max: 66 to 77		03
High: 83
Low: 62
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: ENE @ 5.6
Gust:
E @ 18
(12:05 PM)
RH% Min/Max: 51-93
Feel Min/Max: 62 to 83		04
High: 86
Low: 69
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 7.1
Gust:
WSW @ 18
(9:51 AM)
RH% Min/Max: 46-84
Feel Min/Max: 69 to 86		05
High: 82
Low: 73
Precip: 0.06
Snow: 0.0
Snow Depth: 0.0
Gust:
WNW @ 22
(5:25 PM)
RH% Min/Max: 63-87
Feel Min/Max: 74 to 83		06

Precip: M		0708
09101112131415
16171819202122
23242526272829
30310102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.