Climatological Report (Daily)
Issued by NWS
Issued by NWS
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792
CDUS43 KLOT 302135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU JUL 30 2026
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 2:47 PM 102 1916 84 3 80
MINIMUM 63 5:02 AM 50 1984 67 -4 68
AVERAGE 75 75 0 74
PRECIPITATION (IN)
TODAY 0.00 2.43 1979 0.14 -0.14 0.67
MONTH TO DATE 5.32 3.58 1.74 4.28
SINCE JUN 1 10.32 7.68 2.64 7.91
SINCE JAN 1 25.91 22.33 3.58 17.41
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 0.0
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 11 31 -20 13
SINCE JUL 1 0 0 0 0
COOLING
TODAY 10 10 0 9
MONTH TO DATE 362 317 45 388
SINCE JUN 1 544 516 28 684
SINCE JAN 1 622 586 36 718
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 4:00 AM
LOWEST 36 2:00 PM
AVERAGE 57
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1945
2006
MINIMUM TEMPERATURE (F) 67 51 1984
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 5:43 AM CDT SUNSET 8:12 PM CDT
JULY 31 2026..........SUNRISE 5:44 AM CDT SUNSET 8:11 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$