Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
11 15:51 SE 15 G 21 10.00 Overcast FEW100 BKN150 BKN210 OVC300 75.9 66.9 74% 77 29.61 1002.3 0.07
11 14:51 E 16 G 28 10.00 Overcast FEW047 SCT070 BKN100 BKN130 OVC250 73 69.1 87% 29.64 1003.3 0.04
11 13:51 SW 7 9.00 Thunderstorm Light Rain FEW012 SCT047CB BKN100 OVC130 75 71.1 88% 75 29.83 1009.9 0.03
11 12:51 SW 13 10.00 Overcast BKN043 OVC090 80.1 68 82 68 67% 83 29.83 1009.5
11 11:51 W 8 10.00 Mostly Cloudy BKN041 BKN075 BKN250 82 68 63% 85 29.82 1009.1
11 10:51 SW 9 10.00 Mostly Cloudy FEW027 SCT044 SCT150 BKN250 81 66.9 62% 83 29.8 1008.5
11 09:51 SW 13 G 17 10.00 Mostly Cloudy FEW150 BKN250 75.9 66.9 74% 77 29.79 1008.2
11 08:51 SW 9 G 18 10.00 Partly Cloudy FEW012 SCT250 72 66 82% 29.77 1007.8
11 07:51 SW 12 10.00 A Few Clouds FEW009 FEW250 70 66 87% 29.77 1007.6
11 06:51 SW 9 10.00 Partly Cloudy FEW008 SCT150 SCT250 68 64.9 68 66 90% 29.75 1007.0 0.21
11 05:51 SW 9 10.00 Mostly Cloudy FEW010 FEW080 SCT160 BKN250 66.9 64.9 93% 29.77 1007.6
11 03:51 SW 8 10.00 Mostly Cloudy FEW010 FEW080 SCT120 BKN160 BKN250 66 64 93% 29.74 1006.8 0.21
11 02:51 SW 16 G 26 10.00 Overcast SCT010 BKN080 BKN120 OVC160 66.9 64 91% 29.73 1006.1 0.01
11 01:51 S 10 8.00 Thunderstorm Light Rain BKN085CB OVC110 66.9 64.9 93% 29.73 1006.2 0.2
11 00:51 SW 14 7.00 Thunderstorm Light Rain SCT085CB OVC120 68 64 73.9 66.9 87% 29.73 1006.1 0.07 0.13
10 23:51 S 13 10.00 Overcast FEW050 SCT100 BKN150 OVC200 68 64 87% 29.66 1003.6
10 22:51 SW 8 10.00 Light Rain FEW100 OVC140 68 64 87% 29.68 1004.4 0.05
10 21:51 W 20 G 39 9.00 Thunderstorm Light Rain SCT047CB BKN085 BKN110 OVC200 70 64 82% 29.71 1005.4 0.01 0.01
10 20:51 W 10 10.00 Light Rain SCT055 BKN085 BKN130 BKN190 OVC250 72 68 87% 29.72 1005.7
10 19:51 S 9 10.00 Overcast SCT100 BKN150 BKN200 OVC300 73 68 84% 29.71 1005.3
10 18:51 S 8 10.00 Overcast SCT150 BKN200 OVC300 73 69.1 91 69.1 87% 29.71 1005.7 0.52
10 17:51 S 8 10.00 Overcast FEW025 FEW090 SCT130 BKN170 OVC250 71.1 68 90% 29.74 1006.5 0.04
10 16:51 S 13 9.00 Rain FEW015 FEW040 SCT085 BKN130 OVC250 71.1 69.1 94% 29.76 1007.4 0.48
10 15:50 W 24 G 61 4.00 Thunderstorm Light Rain Fog/Mist and Breezy BKN045CB BKN150 BKN200 OVC250 73 68 84% 29.77 1007.9
10 14:51 SW 17 G 33 10.00 Overcast BKN037 BKN060 OVC350 90 72 56% 97 29.69 1004.7
10 13:51 S 15 G 26 10.00 Mostly Cloudy SCT036 BKN300 91 73.9 57% 101 29.71 1005.5
10 12:51 S 14 10.00 Mostly Cloudy BKN032 BKN300 89.1 73.9 89.1 77 61% 98 29.71 1005.6
10 11:51 SW 12 G 22 10.00 Mostly Cloudy SCT031 BKN300 87.1 73 63% 95 29.74 1006.6
10 10:51 SW 9 G 22 10.00 Mostly Cloudy BKN032 BKN046 86 73 65% 93 29.78 1007.6
10 09:51 SW 16 G 23 10.00 Mostly Cloudy FEW028 BKN300 84.9 72 65% 91 29.77 1007.4
10 08:51 SW 12 G 22 10.00 Mostly Cloudy BKN300 82.9 72 70% 88 29.77 1007.4
10 07:51 S 9 G 21 10.00 A Few Clouds FEW050 FEW300 80.1 72 76% 84 29.78 1007.7
10 06:51 S 8 10.00 Partly Cloudy FEW050 SCT300 77 71.1 77 68 82% 79 29.8 1008.4
10 05:51 S 3 10.00 Shallow Fog BKN049 72 69.1 91% 29.81 1008.8
10 04:51 Calm 7.00 Partly Cloudy SCT050 69.1 66.9 93% 29.81 1008.9
10 03:51 Calm 6.00 Fog/Mist FEW003 FEW045 69.1 66 90% 29.81 1008.9
10 02:51 Calm 6.00 Fog/Mist FEW003 FEW030 68 66 93% 29.82 1009.4
10 01:51 E 3 6.00 Fog/Mist FEW003 FEW024 SCT039 69.1 66 90% 29.84 1010.0
10 00:51 NE 6 6.00 Fog/Mist FEW003 FEW036 69.1 66 86 69.1 90% 29.87 1010.7
09 23:51 NE 6 10.00 Partly Cloudy FEW004 SCT039 SCT055 73.9 69.1 85% 29.86 1010.4
09 22:51 E 6 10.00 Mostly Cloudy SCT038 BKN049 79 69.1 72% 82 29.86 1010.4
09 21:51 W 3 10.00 Partly Cloudy SCT048 81 70 69% 84 29.84 1010.0
09 19:51 W 8 10.00 A Few Clouds FEW040 FEW250 84 70 63% 88 29.82 1009.3
09 18:51 W 6 10.00 Partly Cloudy FEW040 FEW075 SCT250 86 71.1 88 82.9 61% 92 29.83 1009.5
09 17:51 W 9 10.00 Mostly Cloudy FEW040 SCT075 BKN200 BKN250 87.1 71.1 59% 93 29.83 1009.7
09 16:51 SW 8 10.00 Mostly Cloudy BKN045 BKN070 BKN250 86 71.1 61% 92 29.84 1009.8
09 15:51 W 10 G 20 10.00 Mostly Cloudy BKN040 BKN075 BKN250 86 70 59% 91 29.85 1010.3
09 14:51 W 13 G 17 10.00 Mostly Cloudy BKN038 BKN075 BKN250 86 71.1 61% 92 29.86 1010.5
09 13:51 SW 8 10.00 Mostly Cloudy FEW032 BKN043 BKN080 86 72 63% 92 29.88 1011.4
09 12:51 SW 9 10.00 Mostly Cloudy BKN028 BKN044 84 73 84 72 70% 90 29.9 1011.8 0.09
09 11:51 SW 12 G 17 10.00 Mostly Cloudy SCT019 BKN025 BKN031 82 73 74% 87 29.9 1011.9
09 10:51 S 10 10.00 Mostly Cloudy BKN013 BKN025 78.1 73 85% 81 29.91 1012.3
09 09:51 S 9 10.00 Overcast BKN011 OVC016 75.9 72 88% 76 29.92 1012.7 0.01 0.09
09 08:51 S 6 5.00 Rain Fog/Mist SCT007 OVC041 73 72 96% 29.93 1013.0 0.06
09 07:51 S 6 4.00 Light Rain Fog/Mist SCT006 BKN037 OVC070 73 71.1 94% 29.93 1013.1 0.02
09 06:51 SW 5 5.00 Fog/Mist OVC006 72 71.1 72 72 97% 29.93 1013.1
09 05:51 SW 7 10.00 Overcast OVC008 72 70 94% 29.92 1012.7
09 04:51 SW 5 10.00 Overcast BKN009 BKN014 BKN070 OVC250 72 70 94% 29.91 1012.5
09 03:51 SW 6 7.00 Overcast BKN006 OVC010 72 71.1 97% 29.91 1012.4
09 02:51 SW 5 10.00 Overcast OVC008 72 70 94% 29.92 1012.5
09 01:51 S 5 10.00 Overcast BKN007 BKN014 OVC020 72 70 94% 29.94 1013.2
09 00:51 SE 6 10.00 Overcast SCT010 OVC019 72 70 77 71.1 94% 29.93 1012.9 0.03
08 23:51 SE 6 10.00 Overcast FEW016 SCT036 BKN070 BKN140 OVC250 72 69.1 91% 29.94 1013.4
08 22:51 S 6 10.00 Overcast FEW018 BKN033 BKN100 OVC140 72 69.1 91% 29.96 1013.9 0.03
08 21:51 S 10 10.00 Mostly Cloudy FEW016 BKN034 BKN100 BKN160 BKN250 73.9 68 82% 29.96 1014.1
08 20:51 S 10 10.00 Mostly Cloudy FEW030 SCT100 BKN140 BKN190 BKN250 75 69.1 82% 75 29.94 1013.5
08 19:51 S 10 10.00 Mostly Cloudy FEW020 SCT130 BKN200 BKN250 75.9 68 77% 77 29.92 1012.7
08 18:51 S 12 G 20 10.00 Mostly Cloudy FEW017 SCT025 BKN150 BKN250 77 66.9 84 75 71% 79 29.92 1012.8 0.04
08 17:51 SE 10 G 23 10.00 Mostly Cloudy SCT025TCU SCT037 BKN080 BKN130 BKN250 78.1 72 82% 80 29.92 1012.8
08 16:51 SE 7 10.00 Overcast FEW025 SCT040 BKN085 BKN130 OVC220 78.1 73 85% 81 29.93 1013.2 0.01
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)