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Chicago O'Hare International Airport (Official): Maximum temperature, minimum temperature, average temperature ... Last year's maximum, minimum, average ... This date's record high, record low temperature ... This date's normal maximum, minimum, and average with departure from normal ... TEMPERATURE (°F) MAXIMUM       58     318 PM MINIMUM        31     538 AM AVERAGE        45 LAST YEAR MAXIMUM       47 MINIMUM        24 AVERAGE        36 RECORD MAXIMUM       88     1986 MINIMUM          9     1887 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       52       6 MINIMUM        33      -2 AVERAGE        42       3 Full details chicagoweatherstation.com

Chicago O'Hare International Airport (Official): Maximum temperature, minimum temperature, average temperature ... Last year's maximum, minimum, average ... This date's record high, record low temperature ... This date's normal maximum, minimum, and average with departure from normal ... TEMPERATURE (°F) MAXIMUM       53     502 PM MINIMUM        35    1155 PM AVERAGE        44 LAST YEAR MAXIMUM       36 MINIMUM        20 AVERAGE        28 RECORD MAXIMUM       79     1986 MINIMUM           9     1887 NORMAL/DEPARTURE FROM NORMAL MAXIMUM      52       1 MINIMUM       33       2 AVERAGE       42       2 Full details chicagoweatherstation.com

Chicago O'Hare International Airport (Official): Maximum temperature, minimum temperature, average temperature ... Last year's maximum, minimum, average ... This date's record high, record low temperature ... This date's normal maximum, minimum, and average with departure from normal ... TEMPERATURE (°F) MAXIMUM       63    1236 PM MINIMUM        36       111 AM AVERAGE        50 LAST YEAR MAXIMUM       31 MINIMUM        21 AVERAGE        26 RECORD MAXIMUM       82     1945 MINIMUM        12     1996 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       51      12 MINIMUM        33        3 AVERAGE         42        8 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       54     112 PM MINIMUM         31     603 AM AVERAGE         43 LAST YEAR MAXIMUM       42 MINIMUM         31 AVERAGE         37 RECORD MAXIMUM       79     2007 MINIMUM          7      1873 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       51       3 MINIMUM        32      -1 AVERAGE         42       1 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       48     225 PM MINIMUM        28     730 AM AVERAGE        38 LAST YEAR MAXIMUM       41 MINIMUM       35 AVERAGE       38 RECORD MAXIMUM       79     2007 MINIMUM        12     1974 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       50      -2 MINIMUM        32      -4 AVERAGE        41      -3 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       39     147 PM MINIMUM        30    1159 PM AVERAGE         35 LAST YEAR MAXIMUM       37 MINIMUM        19 AVERAGE         28 RECORD MAXIMUM       79     1939, 1910 MINIMUM           5     1974 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       50     -11 MINIMUM         32      -2 AVERAGE          41      -6 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       42    1238 PM MINIMUM        36    1159 PM AVERAGE        39 LAST YEAR MAXIMUM       31 MINIMUM        28 AVERAGE        30 RECORD MAXIMUM       80     1907 MINIMUM          9     1940 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       50      -8 MINIMUM        31       5 AVERAGE        40      -1 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       63      505 PM MINIMUM         40    1159 PM AVERAGE          52 LAST YEAR MAXIMUM       35 MINIMUM        26 AVERAGE         31 RECORD MAXIMUM       83     2012 MINIMUM         -1     1888 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       49      14 MINIMUM         31       9 AVERAGE         40      12 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       49     327 PM MINIMUM         28     542 AM AVERAGE         39 LAST YEAR MAXIMUM       49 MINIMUM         32 AVERAGE          41 RECORD MAXIMUM       87     2012 MINIMUM          9     1888, 1885 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       49        0 MINIMUM         31      -3 AVERAGE         40       -1 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       44     141 PM MINIMUM        30     638 AM AVERAGE         37 LAST YEAR MAXIMUM       50 MINIMUM        38 AVERAGE        44 RECORD MAXIMUM       85     2012 MINIMUM          4     1885 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       48      -4 MINIMUM         31      -1 AVERAGE         39      -2 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       46    1259 PM MINIMUM        35    1159 PM AVERAGE        41 LAST YEAR MAXIMUM       46 MINIMUM       37 AVERAGE       42 RECORD MAXIMUM       78     2012, 1921 MINIMUM          0     1923 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       48      -2 MINIMUM        30       5 AVERAGE        39       2 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       49     124 PM MINIMUM        32      608 AM AVERAGE         41 LAST YEAR MAXIMUM       50 MINIMUM        28 AVERAGE        39 RECORD MAXIMUM       81     2012 MINIMUM          3     1923 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       47       2 MINIMUM        30       2 AVERAGE        39       2 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       56     344 PM MINIMUM         40     620 AM AVERAGE          48 LAST YEAR MAXIMUM       45 MINIMUM        28 AVERAGE         37 RECORD MAXIMUM       82     2012 MINIMUM         -1     1900 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       47       9 MINIMUM         30      10 AVERAGE         38      10 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       56      400 PM MINIMUM         45    1159 PM AVERAGE          51 LAST YEAR MAXIMUM       73 MINIMUM         42 AVERAGE          58 RECORD MAXIMUM       82     2012 MINIMUM         -1     1900 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       47        9 MINIMUM         29      16 AVERAGE          38      13 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       58     801 PM MINIMUM        46     131 AM AVERAGE        52 LAST YEAR MAXIMUM       62 MINIMUM        29 AVERAGE        46 RECORD MAXIMUM       81     2012 MINIMUM          6     1890, 1877 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       46      12 MINIMUM        29      17 AVERAGE        38      14 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       55     410 PM MINIMUM         43     947 PM AVERAGE         49 LAST YEAR MAXIMUM       60 MINIMUM        37 AVERAGE        49 RECORD MAXIMUM       81     2012 MINIMUM          7     1993, 1891 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       46       9 MINIMUM        29      14 AVERAGE        37      12 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       48     844 AM MINIMUM        43     915 PM AVERAGE        46 LAST YEAR MAXIMUM       65 MINIMUM        37 AVERAGE        51 RECORD MAXIMUM       73     2007 MINIMUM          6     1896 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       45       3 MINIMUM        28      15 AVERAGE         37       9 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       59     140 PM MINIMUM        33     326 AM AVERAGE        46 LAST YEAR MAXIMUM       56 MINIMUM        28 AVERAGE         42 RECORD MAXIMUM       81     1990 MINIMUM          1     1948 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       45      14 MINIMUM        28        5 AVERAGE        36      10 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       55     253 PM MINIMUM        34      403 AM AVERAGE        45 LAST YEAR MAXIMUM       51 MINIMUM        30 AVERAGE        41 RECORD MAXIMUM       74     1990 MINIMUM          3     1979 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       45      10 MINIMUM         28       6 AVERAGE         36       9 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       51      201 PM MINIMUM        37    1159 PM AVERAGE        44 LAST YEAR MAXIMUM       51 MINIMUM        35 AVERAGE        43 RECORD MAXIMUM       70     1955 MINIMUM          2     2003 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       44       7 MINIMUM        27      10 AVERAGE        36       8 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       63    1112 AM MINIMUM        48    1159 PM AVERAGE        56 LAST YEAR MAXIMUM       50 MINIMUM        25 AVERAGE        38 RECORD MAXIMUM       69     1974 MINIMUM          5     1984 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       44      19 MINIMUM        27      21 AVERAGE        35      21 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       70     427 PM MINIMUM         58     515 AM AVERAGE         64 LAST YEAR MAXIMUM       40 MINIMUM        28 AVERAGE        34 RECORD MAXIMUM       78     2000 MINIMUM         -7     1943 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       43      27 MINIMUM         27      31 AVERAGE         35      29 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       63     236 PM MINIMUM         44     634 AM AVERAGE         54 LAST YEAR MAXIMUM       44 MINIMUM        24 AVERAGE        34 RECORD MAXIMUM       78     2000 MINIMUM         -2     1943 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       43       20 MINIMUM         26      18 AVERAGE         35      19 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       52     342 PM MINIMUM        33     705 AM AVERAGE        43 LAST YEAR MAXIMUM       27 MINIMUM          0 AVERAGE        14 RECORD MAXIMUM       70     2000, 1983 MINIMUM           0     2015 NORMAL/DEPARTURE FROM NORMAL MAXIMUM        43       9 MINIMUM         26       7 AVERAGE         34       9 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       39     125 PM MINIMUM         29     133 AM AVERAGE         34 LAST YEAR MAXIMUM        16 MINIMUM           3 AVERAGE          10 RECORD MAXIMUM       75     1983 MINIMUM           0     1978, 1873 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       42      -3 MINIMUM         26       3 AVERAGE         34       0 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM        39     333 PM MINIMUM         20     649 AM AVERAGE         30 LAST YEAR MAXIMUM       31 MINIMUM        10 AVERAGE        21 RECORD MAXIMUM       73     1983 MINIMUM       -12     1873 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       42      -3 MINIMUM         26      -6 AVERAGE         34      -4 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       33     224 PM MINIMUM         27    1159 PM AVERAGE         30 LAST YEAR MAXIMUM       34 MINIMUM         24 AVERAGE         29 RECORD MAXIMUM       80     1974 MINIMUM         -6     1873 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       41      -8 MINIMUM        25        2 AVERAGE        33       -3 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       32      355 PM MINIMUM         11     610 AM AVERAGE         22 LAST YEAR MAXIMUM        33 MINIMUM         13 AVERAGE         23 RECORD MAXIMUM       71     1974 MINIMUM         -4     1913 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       41      -9 MINIMUM        25     -14 AVERAGE        33     -11 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       30      742 AM MINIMUM        18    1159 PM AVERAGE        24 LAST YEAR MAXIMUM       25 MINIMUM        10 AVERAGE        18 RECORD MAXIMUM       71     1992 MINIMUM         -5     1962 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       40     -10 MINIMUM         25      -7 AVERAGE         32      -8 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       52     236 PM MINIMUM        28    1159 PM AVERAGE        40 LAST YEAR MAXIMUM       21 MINIMUM       -10 AVERAGE          6 RECORD MAXIMUM       65     1972 MINIMUM         -3     1884 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       40      12 MINIMUM         24       4 AVERAGE         32       8 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       62R    139 PM MINIMUM         36    1159 PM AVERAGE         49 LAST YEAR MAXIMUM       21 MINIMUM       -10 AVERAGE          6 RECORD MAXIMUM       61     1895     NOW 62 2016 MINIMUM       -10     2015 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       40       22 MINIMUM         24      12 AVERAGE         32      17 Full details chicagoweatherstation.com

TEMPERATURE (°F) MAXIMUM       54     423 PM MINIMUM         28     553 AM AVERAGE         41 LAST YEAR MAXIMUM       14 MINIMUM         -2 AVERAGE         6 RECORD MAXIMUM       75     1976 MINIMUM         -6     1897, 1879 NORMAL/DEPARTURE FROM NORMAL MAXIMUM       40      14 MINIMUM         24       4 AVERAGE         32       9 Full details chicagoweatherstation.com