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Data Calendar for CHICAGO O HARE

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: 70
Low: 46
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: E @ 4.5
Gust:
E @ 18
(12:50 PM)
RH% Min/Max: 30-71
Feel Min/Max: 45 to 69		02
High: 84
Low: 50
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 7.3
Gust:
WSW @ 23
(3:24 PM)
RH% Min/Max: 25-56
Feel Min/Max: 51 to 82		03
High: 89
Low: 68
Precip: 0.09
Snow: 0
Snow Depth: 0
Avg Wind: SSW @ 13.9
Gust:
S @ 46
(2:09 PM)
RH% Min/Max: 40-81
Feel Min/Max: 69 to 87		04
High: 71
Low: 55
Precip: 0.54
Snow: 0
Snow Depth: 0
Avg Wind: NNE @ 8.8
Gust:
NNE @ 27
(6:50 AM)
RH% Min/Max: 65-100
Feel Min/Max: 58 to 72		05
High: 72
Low: 54
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: NE @ 9.1
Gust:
NNE @ 25
(12:51 PM)
RH% Min/Max: 54-93
Feel Min/Max: 54 to 72		06
High: 77
Low: 57
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: NNE @ 8.3
Gust:
NE @ 30
(4:53 PM)
RH% Min/Max: 29-72
Feel Min/Max: 57 to 77		07
High: 77
Low: 54
Precip: 0.02
Snow: 0
Snow Depth: 0
Avg Wind: NE @ 7.7
Gust:
NE @ 22
(8:50 PM)
RH% Min/Max: 44-77
Feel Min/Max: 55 to 77
08
High: 81
Low: 59
Precip: 0.10
Snow: 0
Snow Depth: 0
Avg Wind: SW @ 7.4
Gust:
SSW @ 29
(2:19 PM)
RH% Min/Max: 50-87
Feel Min/Max: 60 to 79		09
High: 71
Low: 55
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 11.2
Gust:
WNW @ 35
(1:57 PM)
RH% Min/Max: 43-90
Feel Min/Max: 55 to 70		10
High: 78
Low: 55
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 9.5
Gust:
W @ 27
(10:08 AM)
RH% Min/Max: 40-74
Feel Min/Max: 56 to 78		11
High: 92
Low: 64
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SW @ 11.4
Gust:
WSW @ 31
(10:19 AM)
RH% Min/Max: 30-73
Feel Min/Max: 64 to 90		12
High: 79
Low: 62
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: NNE @ 9.1
Gust:
N @ 21
(12:21 PM)
RH% Min/Max: 52-75
Feel Min/Max: 62 to 79		13
High: 71
Low: 59
Precip: 0.14
Snow: 0
Snow Depth: 0
Avg Wind: NE @ 6.7
Gust:
NNE @ 18
(9:50 PM)
RH% Min/Max: 78-93
Feel Min/Max: 61 to 70		14
High: 61
Low: 59
Precip: M
RH% Min/Max: 87-93
Feel Min/Max: 59 to 61
15

Precip: M		161718192021
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.