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
477
CDUS43 KLOT 222158
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
458 PM CDT THU MAY 22 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 22 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 56 2:51 PM 94 1925 73 -17 80
MINIMUM 47 1:46 AM 36 2006 53 -6 61
AVERAGE 52 63 -11 71
PRECIPITATION (IN)
TODAY T 1.62 1983 0.15 -0.15 0.00
MONTH TO DATE 1.01 3.26 -2.25 3.05
SINCE MAR 1 6.66 9.46 -2.80 10.11
SINCE JAN 1 9.16 13.42 -4.26 14.26
SNOWFALL (IN)
TODAY 0.0 T 1941 0.0 0.0 0.0
1953
2011
MONTH TO DATE T 0.0 0.0 0.0
SINCE MAR 1 2.8 6.8 -4.0 1.0
SINCE JUL 1 17.6 38.4 -20.8 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 5 8 0
MONTH TO DATE 175 162 13 54
SINCE MAR 1 1233 1438 -205 1067
SINCE JUL 1 5368 5907 -539 4755
COOLING
TODAY 0 3 -3 6
MONTH TO DATE 26 33 -7 57
SINCE MAR 1 34 43 -9 66
SINCE JAN 1 34 43 -9 66
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 57 3:00 PM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1921
1964
1977
MINIMUM TEMPERATURE (F) 53 37 1917
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:25 AM CDT SUNSET 8:12 PM CDT
MAY 23 2025...........SUNRISE 5:24 AM CDT SUNSET 8:13 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$