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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:  

 

Aug 2026Sep 2026 Oct 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
303101
High: 94
Low: 77
Precip: 0.00
Avg Wind: SW @ 9.7
Gust:
SSW @ 24
(9:00 PM)
RH% Min/Max: 52-82
Feel Min/Max: 78 to 106		02
High: 96
Low: 78
Precip: 0.00
Avg Wind: SW @ 9.7
Gust:
SW @ 26
(2:53 PM)
RH% Min/Max: 45-74
Feel Min/Max: 79 to 104		03
High: 92
Low: 79
Precip: Trace
Avg Wind: SSW @ 7.8
Gust:
NNW @ 33
(11:36 AM)
RH% Min/Max: 51-85
Feel Min/Max: 79 to 99		04
High: 93
Low: 78
Precip: 0.00
Avg Wind: SSW @ 8.1
Gust:
E @ 31
(11:31 AM)
RH% Min/Max: 51-79
Feel Min/Max: 79 to 102		05
High: 83
Low: 73
Precip: Trace
Avg Wind: NNE @ 9.9
Gust:
NE @ 29
(6:53 PM)
RH% Min/Max: 67-94
Feel Min/Max: 73 to 89
06
High: 79
Low: 71
Precip: 0.00
Avg Wind: ENE @ 10.4
Gust:
NNE @ 24
(3:53 PM)
RH% Min/Max: 40-90
Feel Min/Max: 72 to 79		07
High: 80
Low: 66
Precip: 0.00
Avg Wind: E @ 8.0
Gust:
ESE @ 21
(1:53 PM)
RH% Min/Max: 42-81
Feel Min/Max: 67 to 79		08
High: 87
Low: 66
Precip: 0.00
Avg Wind: S @ 7.6
Gust:
SSE @ 30
(4:15 PM)
RH% Min/Max: 39-76
Feel Min/Max: 66 to 86		09
High: 80
Low: 71
Precip: 0.04
Avg Wind: WSW @ 9.3
Gust:
WSW @ 25
(4:35 PM)
RH% Min/Max: 62-93
Feel Min/Max: 72 to 83		10
High: 76
Low: 65
Precip: 0.00
Avg Wind: ENE @ 6.0
Gust:
ESE @ 19
(12:45 PM)
RH% Min/Max: 46-97
Feel Min/Max: 67 to 76		11
High: 81
Low: 61
Precip: 0.00
Avg Wind: ESE @ 6.8
Gust:
SSE @ 23
(3:30 PM)
RH% Min/Max: 41-84
Feel Min/Max: 61 to 81		12
High: 88
Low: 68
Precip: Trace
Avg Wind: WSW @ 7.9
Gust:
SW @ 22
(2:53 PM)
RH% Min/Max: 42-84
Feel Min/Max: 68 to 88
13
High: 75
Low: 56
Precip: 0.02
Avg Wind: NNW @ 7.9
Gust:
NW @ 22
(12:30 PM)
RH% Min/Max: 43-86
Feel Min/Max: 57 to 74		14
High: 72
Low: 53
Precip: 0.00
Gust:
SE @ 23
(4:53 PM)
RH% Min/Max: 36-93
Feel Min/Max: 53 to 71		15

Precip: M		16171819
20212223242526
27282930010203

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.