Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
072
CDUS43 KLOT 150648
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT TUE JUL 15 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 14 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 3:53 PM 100 1988 85 2 88
1995
MINIMUM 66 5:01 AM 52 1926 67 -1 67
AVERAGE 77 76 1 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.75 1913 0.12 -0.12 1.64
MONTH TO DATE 2.93 1.59 1.34 5.02
SINCE JUN 1 6.56 5.69 0.87 8.12
SINCE JAN 1 16.06 20.34 -4.28 23.39
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 31 -18 6
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 12 11 1 13
MONTH TO DATE 190 145 45 149
SINCE JUN 1 486 344 142 427
SINCE JAN 1 520 414 106 507
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 1:00 AM
LOWEST 35 3:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 102 1988
MINIMUM TEMPERATURE (F) 67 52 1945
1967
SUNRISE AND SUNSET
JULY 15 2025..........SUNRISE 5:30 AM CDT SUNSET 8:25 PM CDT
JULY 16 2025..........SUNRISE 5:30 AM CDT SUNSET 8:25 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$