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: 69.98
Low: 42.98
Precip: M
02
High: 83.3
Low: 45.32
Precip: M
03
High: 87.98
Low: 64.94
Precip: M
04
High: 76.46
Low: 55.58
Precip: M
05
High: 69.26
Low: 53.24
Precip: M
06
High: 78.44
Low: 57.56
Precip: M
07
High: 79.88
Low: 54.68
Precip: M
08
High: 82.04
Low: 58.46
Precip: M
09
High: 74.66
Low: 54.14
Precip: M
10
High: 78.08
Low: 53.96
Precip: M
11
High: 90.14
Low: 62.78
Precip: M
12
High: 81.14
Low: 63.68
Precip: M
13
High: 72.68
Low: 61.7
Precip: M
14
High: 70.52
Low: 60.44
Precip: M
15

Precip: M
16
High: 90.68
Low: 68.9
Precip: M
17
High: 92.12
Low: 66.92
Precip: M
18
High: 80.06
Low: 66.02
Precip: M
19
High: 82.76
Low: 63.5
Precip: M
20
High: 85.28
Low: 66.92
Precip: M
21
High: 93.38
Low: 73.58
Precip: M
22
High: 93.02
Low: 76.82
Precip: M
23
High: 95
Low: 76.1
Precip: M
24
High: 91.94
Low: 71.06
Precip: M
25
High: 87.26
Low: 69.08
Precip: M
26
High: 94.82
Low: 72.5
Precip: M
27
High: 87.62
Low: 74.84
Precip: M
28
High: 74.84
Low: 67.64
Precip: M
29

Precip: M
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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.