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Data Calendar for Chicago

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:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 68
Low: 42.62
Precip: M		02
High: 87.26
Low: 44.42
Precip: M		03
High: 91.94
Low: 65.3
Precip: M		04
High: 78.08
Low: 57.02
Precip: M		05
High: 68
Low: 55.04
Precip: M		06
High: 77.9
Low: 58.46
Precip: M		07
High: 75.74
Low: 56.84
Precip: M
08
High: 86.18
Low: 60.08
Precip: M		09
High: 80.96
Low: 56.84
Precip: M		10
High: 81.14
Low: 56.84
Precip: M		11
High: 94.28
Low: 64.94
Precip: M		12
High: 78.62
Low: 63.14
Precip: M		13
High: 72.32
Low: 62.42
Precip: M		14
High: 72.14
Low: 62.06
Precip: M
15

Precip: M		16

Precip: M		17

Precip: M		18192021
22232425262728
29300102030405

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.