Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
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
231
CDUS43 KLOT 032140
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU JUL 03 2025

...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 3 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         95   2:45 PM 102    1949  84     11       88
  MINIMUM         72   5:10 AM  50    1980  66      6       73
  AVERAGE         84                        75      9       81

PRECIPITATION (IN)
  TODAY            0.00          1.57 1871   0.10  -0.10     0.09
  MONTH TO DATE    0.00                      0.32  -0.32     0.10
  SINCE JUN 1      3.63                      4.42  -0.79     3.20
  SINCE JAN 1     13.13                     19.07  -5.94    18.47

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           19                        10      9       16
  MONTH TO DATE   49                        30     19       27
  SINCE JUN 1    345                       229    116      305
  SINCE JAN 1    379                       299     80      385
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     5.0


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           5:00 AM
 LOWEST     37           2:00 PM
 AVERAGE    57

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       102      1911
                                             2012
 MINIMUM TEMPERATURE (F)   66        50      1972


SUNRISE AND SUNSET
JULY  3 2025..........SUNRISE   5:21 AM CDT   SUNSET   8:30 PM CDT
JULY  4 2025..........SUNRISE   5:22 AM CDT   SUNSET   8:30 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$