or Select from map

Data Calendar for JOLIET

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:  

 

Jun 2026Jul 2026 Aug 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
28293001 (@24)
High: 94
Low: 78
Precip: 0.00(E)
02 (@24)
High: 95
Low: 76
Precip: 0.00(E)
03 (@24)
High: 93
Low: 71
Precip: 0.34
04 (@24)
High: 87
Low: 70
Precip: 0.27
05 (@24)
High: 80
Low: 69
Precip: 0.80
06 (@24)
High: 84
Low: 70
Precip: 0.00(E)
07 (@24)
High: 88
Low: 63
Precip: 0.00(E)
08 (@24)
High: 88
Low: 64
Precip: 0.00(E)
09 (@24)
High: 88
Low: 70
Precip: 0.00(E)
10 (@24)
High: 86
Low: 70
Precip: 0.00(E)
11 (@24)
High: 85
Low: 68
Precip: 0.00(E)
12 (@24)
High: 89
Low: 64
Precip: 0.00(E)
13 (@24)
High: 91
Low: 62
Precip: 0.00(E)
14 (@24)
High: 94
Low: 67
Precip: 0.00(E)
15 (@24)
High: 94
Low: 71
Precip: 0.00(E)
16 (@24)
High: 94
Low: 72
Precip: 0.00(E)
17 (@24)
High: 93
Low: 72
Precip: 0.03
18 (@24)
High: 91
Low: 74
Precip: 0.02
19 (@24)
High: 83
Low: 66
Precip: 0.19(E)
20 (@24)
High: 83
Low: 60
Precip: 0.00(E)
21 (@24)
High: 87
Low: 69
Precip: 0.01(E)
22 (@24)
High: 75
Low: 55
Precip: 0.00(E)
23 (@24)
High: 79
Low: 49
Precip: 0.00(E)
24 (@24)
High: 79
Low: 57
Precip: 0.00(E)
25 (@24)
High: 77
Low: 58
Precip: Trace (E)
26 (@24)
High: 90
Low: 70
Precip: 0.00(E)
27 (@24)
High: 86
Low: 72
Precip: 0.98
2829303101

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.