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
437
CDUS43 KLOT 152136
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT TUE JUL 15 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 15 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 91 2:59 PM 102 1988 85 6 90
MINIMUM 70 4:39 AM 52 1945 67 3 69
1967
AVERAGE 81 76 5 80
PRECIPITATION (IN)
TODAY 0.00 1.88 1899 0.11 -0.11 0.53
MONTH TO DATE 2.93 1.70 1.23 5.55
SINCE JUN 1 6.56 5.80 0.76 8.65
SINCE JAN 1 16.06 20.45 -4.39 23.92
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 16 11 5 15
MONTH TO DATE 206 156 50 164
SINCE JUN 1 502 355 147 442
SINCE JAN 1 536 425 111 522
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 2:00 AM
LOWEST 49 3:00 PM
AVERAGE 64
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1887
MINIMUM TEMPERATURE (F) 67 49 1945
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.
$$