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
725
CDUS43 KLOT 150634
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT AUG 15 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 14 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80   2:14 PM  99    1944  83     -3       84
  MINIMUM         71   6:08 AM  48    1964  67      4       68
  AVERAGE         76                        75      1       76

PRECIPITATION (IN)
  YESTERDAY        0.11          1.96 2023   0.15  -0.04     0.00
  MONTH TO DATE    3.46                      1.78   1.68     0.35
  SINCE JUN 1     16.98                      9.34   7.64    12.38
  SINCE JAN 1     30.87                     21.82   9.05    21.95

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        25    -22        9
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY       11                        10      1       11
  MONTH TO DATE  147                       147      0      190
  SINCE JUN 1    734                       722     12      958
  SINCE JAN 1    818                       804     14     1009
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           2:00 AM
 LOWEST     72           2:00 PM
 AVERAGE    85

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      1944
 MINIMUM TEMPERATURE (F)   67        48      1929


SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE   5:59 AM CDT   SUNSET   7:51 PM CDT
AUGUST 16 2026........SUNRISE   6:00 AM CDT   SUNSET   7:49 PM CDT


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




$$