911
CDUS43 KLOT 280631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT THU MAY 28 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 27 2026
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)
YESTERDAY
MAXIMUM 83 3:22 PM 97 2012 74 9 69
2018
MINIMUM 59 11:59 PM 33 1992 54 5 52
AVERAGE 71 64 7 61
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 2019 0.14 -0.14 0.00
MONTH TO DATE 1.17 3.95 -2.78 1.02
SINCE MAR 1 12.90 10.15 2.75 6.67
SINCE JAN 1 15.59 14.11 1.48 9.17
SNOWFALL (IN)
YESTERDAY 0.0 T 1954 0.0 0.0 0.0
1973
2001
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 1.8 6.8 -5.0 2.8
SINCE JUL 1 34.1 38.4 -4.3 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 4
MONTH TO DATE 198 184 14 216
SINCE MAR 1 1193 1460 -267 1274
SINCE JUL 1 5553 5929 -376 5409
COOLING
YESTERDAY 6 3 3 0
MONTH TO DATE 57 48 9 26
SINCE MAR 1 76 58 18 34
SINCE JAN 1 76 58 18 34
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 5:00 AM
LOWEST 38 4:00 PM
AVERAGE 55
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2012
2018
MINIMUM TEMPERATURE (F) 55 33 1992
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 5:21 AM CDT SUNSET 8:18 PM CDT
MAY 29 2026...........SUNRISE 5:20 AM CDT SUNSET 8:18 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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