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National Weather Service
Weather Information for Joliet, Illinois
  MAPMAP
Weather Forecast
Issued at 06:15  (Local time)  28 Jan  2023 
Date Temperature oC Weather
Minimum Maximum
28 Jan
( Sat ) 		- -1 Chance Snow
Chance Snow
29 Jan
( Sun ) 		-3 -2 Slight Chance Snow Showers then Mostly Cloudy
Slight Chance Snow Showers then Mostly Cloudy
30 Jan
( Mon ) 		-12 -9 Mostly Cloudy
Mostly Cloudy
31 Jan
( Tue ) 		-20 -10 Sunny
Sunny
01 Feb
( Wed ) 		-17 -6 Mostly Cloudy
Mostly Cloudy
02 Feb
( Thu ) 		-13 -6 Mostly Sunny
Mostly Sunny
03 Feb
( Fri ) 		-16 -5 Mostly Sunny
Mostly Sunny
>> Click here for temperatures in oF
 
Climatological Information
Month Mean Temperature oC Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum		 Daily
Maximum
Jan -8.6 -0.3 45.7 10.7
Feb -6.4 2.2 43.4 8.9
Mar -1.5 8.6 57.2 10.6
Apr 4.0 15.9 88.6 11.4
May 9.3 21.9 103.6 11.4
Jun 15.4 27.2 98.6 10.1
Jul 17.7 29.0 110.0 9.4
Aug 17.1 28.0 105.7 9.0
Sep 12.5 24.6 76.5 8.2
Oct 5.9 17.7 72.1 9.5
Nov 0.7 9.7 77.7 10.8
Dec -6.2 1.8 55.9 11.3
>> Click here for temperatures in oF

Remarks:
* Climatological information is based on monthly averages for the 30-year period 1981-2010.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.