Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
11 11:51 W 13 16.09 Mostly Cloudy BKN041 BKN075 BKN250 27.8 20 63% 29 75.74 1009.1
11 10:51 SW 15 16.09 Mostly Cloudy FEW027 SCT044 SCT150 BKN250 27.2 19.4 62% 29 75.69 1008.5
11 09:51 SW 20 G 28 16.09 Mostly Cloudy FEW150 BKN250 24.4 19.4 74% 25 75.67 1008.2
11 08:51 SW 15 G 30 16.09 Partly Cloudy FEW012 SCT250 22.2 18.9 82% 75.62 1007.8
11 07:51 SW 19 16.09 A Few Clouds FEW009 FEW250 21.1 18.9 87% 75.62 1007.6
11 06:51 SW 15 16.09 Partly Cloudy FEW008 SCT150 SCT250 20 18.3 20 18.9 90% 75.57 1007.0 0.53
11 05:51 SW 15 16.09 Mostly Cloudy FEW010 FEW080 SCT160 BKN250 19.4 18.3 93% 75.62 1007.6
11 03:51 SW 13 16.09 Mostly Cloudy FEW010 FEW080 SCT120 BKN160 BKN250 18.9 17.8 93% 75.54 1006.8 0.53
11 02:51 SW 26 G 43 16.09 Overcast SCT010 BKN080 BKN120 OVC160 19.4 17.8 91% 75.51 1006.1 0.03
11 01:51 S 17 12.87 Thunderstorm Light Rain BKN085CB OVC110 19.4 18.3 93% 75.51 1006.2 0.51
11 00:51 SW 22 11.27 Thunderstorm Light Rain SCT085CB OVC120 20 17.8 23.3 19.4 87% 75.51 1006.1 0.18 0.33
10 23:51 S 20 16.09 Overcast FEW050 SCT100 BKN150 OVC200 20 17.8 87% 75.34 1003.6
10 22:51 SW 13 16.09 Light Rain FEW100 OVC140 20 17.8 87% 75.39 1004.4 0.13
10 21:51 W 31 G 63 14.48 Thunderstorm Light Rain SCT047CB BKN085 BKN110 OVC200 21.1 17.8 82% 75.46 1005.4 0.03 0.03
10 20:51 W 17 16.09 Light Rain SCT055 BKN085 BKN130 BKN190 OVC250 22.2 20 87% 75.49 1005.7
10 19:51 S 15 16.09 Overcast SCT100 BKN150 BKN200 OVC300 22.8 20 84% 75.46 1005.3
10 18:51 S 13 16.09 Overcast SCT150 BKN200 OVC300 22.8 20.6 32.8 20.6 87% 75.46 1005.7 1.32
10 17:51 S 13 16.09 Overcast FEW025 FEW090 SCT130 BKN170 OVC250 21.7 20 90% 75.54 1006.5 0.1
10 16:51 S 20 14.48 Rain FEW015 FEW040 SCT085 BKN130 OVC250 21.7 20.6 94% 75.59 1007.4 1.22
10 15:50 W 39 G 98 6.44 Thunderstorm Light Rain Fog/Mist and Breezy BKN045CB BKN150 BKN200 OVC250 22.8 20 84% 75.62 1007.9
10 14:51 SW 28 G 54 16.09 Overcast BKN037 BKN060 OVC350 32.2 22.2 56% 36 75.41 1004.7
10 13:51 S 24 G 43 16.09 Mostly Cloudy SCT036 BKN300 32.8 23.3 57% 38 75.46 1005.5
10 12:51 S 22 16.09 Mostly Cloudy BKN032 BKN300 31.7 23.3 31.7 25 61% 37 75.46 1005.6
10 11:51 SW 19 G 35 16.09 Mostly Cloudy SCT031 BKN300 30.6 22.8 63% 35 75.54 1006.6
10 10:51 SW 15 G 35 16.09 Mostly Cloudy BKN032 BKN046 30 22.8 65% 34 75.64 1007.6
10 09:51 SW 26 G 37 16.09 Mostly Cloudy FEW028 BKN300 29.4 22.2 65% 33 75.62 1007.4
10 08:51 SW 19 G 35 16.09 Mostly Cloudy BKN300 28.3 22.2 70% 31 75.62 1007.4
10 07:51 S 15 G 33 16.09 A Few Clouds FEW050 FEW300 26.7 22.2 76% 29 75.64 1007.7
10 06:51 S 13 16.09 Partly Cloudy FEW050 SCT300 25 21.7 25 20 82% 26 75.69 1008.4
10 05:51 S 6 16.09 Shallow Fog BKN049 22.2 20.6 91% 75.72 1008.8
10 04:51 Calm 11.27 Partly Cloudy SCT050 20.6 19.4 93% 75.72 1008.9
10 03:51 Calm 9.66 Fog/Mist FEW003 FEW045 20.6 18.9 90% 75.72 1008.9
10 02:51 Calm 9.66 Fog/Mist FEW003 FEW030 20 18.9 93% 75.74 1009.4
10 01:51 E 6 9.66 Fog/Mist FEW003 FEW024 SCT039 20.6 18.9 90% 75.79 1010.0
10 00:51 NE 9 9.66 Fog/Mist FEW003 FEW036 20.6 18.9 30 20.6 90% 75.87 1010.7
09 23:51 NE 9 16.09 Partly Cloudy FEW004 SCT039 SCT055 23.3 20.6 85% 75.84 1010.4
09 22:51 E 9 16.09 Mostly Cloudy SCT038 BKN049 26.1 20.6 72% 28 75.84 1010.4
09 21:51 W 6 16.09 Partly Cloudy SCT048 27.2 21.1 69% 29 75.79 1010.0
09 19:51 W 13 16.09 A Few Clouds FEW040 FEW250 28.9 21.1 63% 31 75.74 1009.3
09 18:51 W 9 16.09 Partly Cloudy FEW040 FEW075 SCT250 30 21.7 31.1 28.3 61% 33 75.77 1009.5
09 17:51 W 15 16.09 Mostly Cloudy FEW040 SCT075 BKN200 BKN250 30.6 21.7 59% 34 75.77 1009.7
09 16:51 SW 13 16.09 Mostly Cloudy BKN045 BKN070 BKN250 30 21.7 61% 33 75.79 1009.8
09 15:51 W 17 G 31 16.09 Mostly Cloudy BKN040 BKN075 BKN250 30 21.1 59% 33 75.82 1010.3
09 14:51 W 20 G 28 16.09 Mostly Cloudy BKN038 BKN075 BKN250 30 21.7 61% 33 75.84 1010.5
09 13:51 SW 13 16.09 Mostly Cloudy FEW032 BKN043 BKN080 30 22.2 63% 33 75.9 1011.4
09 12:51 SW 15 16.09 Mostly Cloudy BKN028 BKN044 28.9 22.8 28.9 22.2 70% 32 75.95 1011.8 0.23
09 11:51 SW 19 G 28 16.09 Mostly Cloudy SCT019 BKN025 BKN031 27.8 22.8 74% 31 75.95 1011.9
09 10:51 S 17 16.09 Mostly Cloudy BKN013 BKN025 25.6 22.8 85% 27 75.97 1012.3
09 09:51 S 15 16.09 Overcast BKN011 OVC016 24.4 22.2 88% 25 76 1012.7 0.03 0.23
09 08:51 S 9 8.05 Rain Fog/Mist SCT007 OVC041 22.8 22.2 96% 76.02 1013.0 0.15
09 07:51 S 9 6.44 Light Rain Fog/Mist SCT006 BKN037 OVC070 22.8 21.7 94% 76.02 1013.1 0.05
09 06:51 SW 7 8.05 Fog/Mist OVC006 22.2 21.7 22.2 22.2 97% 76.02 1013.1
09 05:51 SW 11 16.09 Overcast OVC008 22.2 21.1 94% 76 1012.7
09 04:51 SW 7 16.09 Overcast BKN009 BKN014 BKN070 OVC250 22.2 21.1 94% 75.97 1012.5
09 03:51 SW 9 11.27 Overcast BKN006 OVC010 22.2 21.7 97% 75.97 1012.4
09 02:51 SW 7 16.09 Overcast OVC008 22.2 21.1 94% 76 1012.5
09 01:51 S 7 16.09 Overcast BKN007 BKN014 OVC020 22.2 21.1 94% 76.05 1013.2
09 00:51 SE 9 16.09 Overcast SCT010 OVC019 22.2 21.1 25 21.7 94% 76.02 1012.9 0.08
08 23:51 SE 9 16.09 Overcast FEW016 SCT036 BKN070 BKN140 OVC250 22.2 20.6 91% 76.05 1013.4
08 22:51 S 9 16.09 Overcast FEW018 BKN033 BKN100 OVC140 22.2 20.6 91% 76.1 1013.9 0.08
08 21:51 S 17 16.09 Mostly Cloudy FEW016 BKN034 BKN100 BKN160 BKN250 23.3 20 82% 76.1 1014.1
08 20:51 S 17 16.09 Mostly Cloudy FEW030 SCT100 BKN140 BKN190 BKN250 23.9 20.6 82% 24 76.05 1013.5
08 19:51 S 17 16.09 Mostly Cloudy FEW020 SCT130 BKN200 BKN250 24.4 20 77% 25 76 1012.7
08 18:51 S 19 G 31 16.09 Mostly Cloudy FEW017 SCT025 BKN150 BKN250 25 19.4 28.9 23.9 71% 26 76 1012.8 0.1
08 17:51 SE 17 G 37 16.09 Mostly Cloudy SCT025TCU SCT037 BKN080 BKN130 BKN250 25.6 22.2 82% 27 76 1012.8
08 16:51 SE 11 16.09 Overcast FEW025 SCT040 BKN085 BKN130 OVC220 25.6 22.8 85% 27 76.02 1013.2 0.03
08 15:51 S 22 G 31 16.09 Overcast SCT027 BKN050 BKN080 BKN130 OVC250 25.6 22.2 82% 27 76.02 1013.2 0.08 0.08
08 14:51 SE 24 G 41 16.09 Overcast SCT031 BKN048 BKN130 BKN160 OVC250 27.8 21.1 67% 30 76.02 1013.2
08 13:51 S 20 G 39 16.09 Overcast BKN033 BKN150 OVC250 28.3 21.1 65% 31 76.07 1013.7
08 12:51 SE 17 16.09 Mostly Cloudy FEW027 FEW041 BKN170 BKN250 28.9 21.7 28.9 20.6 65% 32 76.07 1013.7 0.03
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)