Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 302135
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU JUL 30 2026
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 86 2:59 PM 104 1999 84 2 82
MINIMUM 63 3:54 AM 51 1936 68 -5 70
AVERAGE 75 76 -1 76
PRECIPITATION (IN)
TODAY 0.00 2.43 1979 0.12 -0.12 0.53
MONTH TO DATE 6.13 3.43 2.70 6.58
SINCE JUN 1 13.47 7.44 6.03 11.95
SINCE JAN 1 27.36 19.92 7.44 21.52
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 24 -21 9
SINCE JUL 1 0 0 0 0
COOLING
TODAY 10 11 -1 11
MONTH TO DATE 382 345 37 435
SINCE JUN 1 575 567 8 759
SINCE JAN 1 659 649 10 810
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 4:00 AM
LOWEST 38 10:00 AM
AVERAGE 61
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1945
2006
MINIMUM TEMPERATURE (F) 68 50 1936
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 5:43 AM CDT SUNSET 8:11 PM CDT
JULY 31 2026..........SUNRISE 5:44 AM CDT SUNSET 8:10 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$