National Weather Service United States Department of Commerce

Cold Temperatures Across the Northern and Central Plains; Severe Weather Potential for the East

Severe weather and heavy rainfall potential along with warm temperatures will affect the eastern portions of the country through Sunday as a cold front tracks eastward. Meanwhile, much colder air across portions of the Plains will bring frost and freeze conditions into Sunday morning. Dry, mild and breezy conditions linger for the four-corner region where elevated to critical fire weather remains. Read More >

 

 
CHICAGO NORMALS (1991-2020)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

 

August Normals for Chicago for Temperature and Precipitation

 

Day of Month High Low Average HDD CDD Precipitation
1 83.9 66.5 75.2 0 10.2 0.15
2 83.8 66.4 75.1 0.1 10.2 0.15
3 83.8 66.4 75.1 0.1 10.1 0.14
4 83.7 66.3 75 0.1 10.1 0.14
5 83.6 66.3 75 0.1 10 0.14
6 83.5 66.2 74.9 0.1 10 0.14
7 83.5 66.2 74.8 0.1 9.9 0.12
8 83.4 66.1 74.7 0.1 9.8 0.13
9 83.3 66 74.7 0.1 9.8 0.14
10 83.2 66 74.6 0.1 9.7 0.13
11 83.1 65.9 74.5 0.1 9.6 0.14
12 83.1 65.8 74.4 0.1 9.5 0.14
13 83 65.7 74.3 0.1 9.4 0.14
14 82.9 65.6 74.2 0.1 9.3 0.15
15 82.8 65.5 74.1 0.1 9.2 0.14
16 82.7 65.4 74 0.1 9.1 0.15
17 82.6 65.3 73.9 0.1 9 0.15
18 82.5 65.2 73.8 0.1 8.9 0.14
19 82.4 65 73.7 0.1 8.8 0.13
20 82.2 64.9 73.6 0.1 8.6 0.14
21 82.1 64.7 73.4 0.1 8.5 0.13
22 82 64.6 73.3 0.1 8.4 0.13
23 81.8 64.4 73.1 0.1 8.2 0.13
24 81.7 64.2 73 0.1 8.1 0.13
25 81.5 64 72.8 0.2 7.9 0.13
26 81.4 63.8 72.6 0.2 7.8 0.13
27 81.2 63.6 72.4 0.2 7.6 0.13
28 81 63.4 72.2 0.3 7.5 0.13
29 80.8 63.1 72 0.3 7.3 0.13
30 80.6 62.9 71.8 0.4 7.1 0.14
31 80.4 62.6 71.5 0.4 6.9 0.14
             
MONTH 82.5 65.1 73.8 4.3 276.5 4.25