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.
05 13:51 N 10 5.00 Fog/Mist OVC007 71.1 68 90% 29.98 1015.0
05 12:51 N 8 5.00 Fog/Mist OVC008 72 68 73 66.9 87% 29.99 1015.0
05 11:51 N 9 4.00 Fog/Mist OVC007 71.1 66.9 87% 29.99 1015.3
05 10:51 N 10 4.00 Fog/Mist OVC008 71.1 66.9 87% 29.99 1015.2
05 09:51 N 12 5.00 Fog/Mist OVC006 70 66.9 90% 29.98 1014.8
05 08:51 N 7 5.00 Fog/Mist OVC006 69.1 66.9 93% 29.96 1014.1
05 07:51 N 9 7.00 Mostly Cloudy SCT007 BKN070 BKN250 69.1 66 90% 29.94 1013.5
05 06:51 N 10 6.00 Fog/Mist FEW010 SCT075 SCT095 BKN140 BKN250 66.9 64 68 66 91% 29.93 1013.2 0.03
05 05:51 N 6 6.00 Fog/Mist BKN060CB BKN250 66.9 64 91% 29.95 1013.7
05 04:51 N 7 7.00 Fog/Mist SCT050CB BKN070 BKN120 BKN250 66 64 93% 29.95 1014.0
05 03:51 NW 5 8.00 Overcast BKN050CB BKN070 OVC110 66.9 64 91% 29.95 1013.6 0.03 0.03
05 02:51 Calm 10.00 Overcast BKN065CB BKN100 OVC250 68 64 87% 29.94 1013.4
05 01:51 N 3 8.00 Mostly Cloudy FEW005 BKN065 BKN100 BKN250 66.9 64.9 93% 29.94 1013.4
05 00:51 N 7 5.00 Fog/Mist FEW005 SCT025 BKN250 68 66 72 68 93% 29.94 1013.2
04 23:51 E 6 4.00 Fog/Mist SCT005 BKN023 BKN250 68 66 93% 29.94 1013.4
04 22:51 NE 10 2.50 Smoke Fog/Mist OVC004 68 66 93% 29.94 1013.3
04 22:46 NE 10 2.00 Smoke Fog/Mist OVC004 68 66 93% 29.94 1013.3
04 21:51 N 14 2.50 Smoke Fog/Mist BKN004 BKN100 BKN250 68 66.9 96% 29.94 1013.3
04 20:51 NE 10 7.00 Mostly Cloudy FEW010 SCT050 BKN250 71.1 69.1 94% 29.94 1013.4
04 19:51 N 8 10.00 Mostly Cloudy BKN011 BKN042 BKN250 71.1 69.1 94% 29.93 1013.2
04 18:51 E 14 5.00 Light Rain Fog/Mist FEW010 BKN100 71.1 69.1 82.9 71.1 94% 29.9 1012.3 0.06 0.18
04 17:51 E 12 3.00 Thunderstorm Light Rain Fog/Mist SCT050CB OVC100 72 70 94% 29.95 1013.7 0.12
04 16:51 N 13 10.00 Thunderstorm Light Rain SCT039CB SCT090 OVC110 75 69.1 82% 75 29.94 1013.5
04 15:51 NE 15 10.00 Thunderstorm BKN030CB BKN250 78.1 68 71% 80 29.93 1013.0
04 14:51 E 14 10.00 Mostly Cloudy SCT035 BKN100 80.1 69.1 69% 83 29.94 1013.3
04 13:51 Vrbl 5 10.00 Mostly Cloudy SCT036 SCT048 BKN080 BKN250 82 72 72% 87 29.96 1014.0
04 12:51 SW 6 10.00 Overcast BKN037 BKN044 OVC060 82.9 70 82.9 71.1 65% 87 29.99 1014.8
04 11:51 SW 5 10.00 Mostly Cloudy FEW030 BKN130 BKN250 82.9 70 65% 87 29.99 1014.9
04 10:51 Calm 10.00 Mostly Cloudy SCT160 BKN230 81 68 65% 84 29.97 1014.2
04 08:51 W 6 10.00 Mostly Cloudy FEW035 FEW065 BKN240 75.9 70 82% 77 29.99 1015.0
04 07:51 W 5 10.00 Mostly Cloudy FEW035 FEW065 FEW160 BKN240 73 69.1 87% 29.98 1014.5
04 06:51 W 5 10.00 Mostly Cloudy FEW060 FEW160 BKN240 71.1 69.1 71.1 68 94% 29.99 1015.0
04 05:51 Calm 8.00 Mostly Cloudy FEW065 SCT160 BKN250 69.1 68 96% 29.99 1014.9
04 04:51 SW 3 10.00 Mostly Cloudy FEW055 FEW070 BKN250 70 68 93% 29.99 1015.0
04 03:51 SW 7 10.00 Mostly Cloudy FEW080 BKN250 70 68 93% 30.01 1015.7
04 02:51 Calm 10.00 Mostly Cloudy BKN250 69.1 68 96% 30 1015.5
04 01:51 Calm 10.00 Mostly Cloudy FEW065 FEW120 BKN200 BKN250 70 69.1 97% 29.98 1014.7
04 00:51 SW 8 10.00 Light Rain FEW065 BKN120 OVC250 70 68 82.9 70 93% 29.98 1014.6 0.04 1.36
03 23:51 S 9 5.00 Rain Fog/Mist FEW040 BKN090 OVC120 71.1 68 90% 30.01 1015.5 0.13
03 22:51 E 5 10.00 Thunderstorm Light Rain SCT035CB OVC110 72 69.1 91% 30.03 1016.2 0.75
03 21:51 W 18 G 35 2.00 Thunderstorm Rain Fog/Mist SCT020 BKN039CB OVC080 72 70 94% 30.03 1016.2 0.44 0.44
03 20:51 NW 3 10.00 Overcast SCT046 BKN100 BKN160 OVC250 81 75 82% 87 29.96 1013.9
03 19:51 Calm 10.00 Mostly Cloudy FEW045 SCT150 BKN300 82 73.9 77% 88 29.96 1013.9
03 18:51 W 6 10.00 Mostly Cloudy FEW045 FEW150 BKN350 82.9 73.9 84.9 70 74% 89 29.96 1013.9 0.2
03 17:51 SW 7 10.00 Mostly Cloudy FEW120 SCT210 BKN300 82.9 73 72% 89 29.96 1014.1
03 16:51 S 5 10.00 Mostly Cloudy FEW045 SCT200 BKN300 79 70 74% 82 30 1015.4
03 15:51 S 5 10.00 Overcast FEW060 SCT140 BKN210 OVC250 73.9 68 82% 30.01 1015.8 0.2
03 14:51 E 7 10.00 Light Rain FEW040 BKN150 OVC250 72 69.1 91% 30.02 1016.2
03 13:51 S 8 9.00 Thunderstorm Light Rain FEW024 SCT040CB BKN095 OVC250 73 66 79% 30.02 1016.2 0.2
03 12:51 S 8 9.00 Light Rain FEW033 BKN046CB BKN100 BKN250 84 77 88 73.9 80% 94 30 1015.4 0.02 0.02
03 11:51 Vrbl 7 10.00 Mostly Cloudy FEW024 FEW050 BKN250 86 75.9 72% 96 30.04 1016.6
03 10:51 W 8 10.00 Mostly Cloudy SCT021 BKN028 BKN250 84 75 74% 92 30.06 1017.4
03 09:51 SW 9 10.00 Partly Cloudy FEW040 SCT250 82.9 75 77% 90 30.06 1017.3
03 08:51 S 10 10.00 A Few Clouds FEW044 FEW250 80.1 73 79% 84 30.06 1017.2
03 07:51 S 7 10.00 A Few Clouds FEW180 FEW250 75.9 71.1 85% 76 30.06 1017.2
03 06:51 SW 6 10.00 A Few Clouds FEW180 FEW250 73.9 70 73.9 71.1 88% 30.05 1016.9 0.14
03 05:51 S 9 10.00 Partly Cloudy FEW180 SCT250 72 70 94% 30.01 1015.7
03 04:51 S 13 10.00 A Few Clouds FEW250 72 70 94% 29.99 1014.8
03 03:51 S 8 10.00 Mostly Cloudy FEW090 SCT150 BKN250 71.1 70 96% 30 1015.1 0.14
03 02:51 S 8 10.00 Light Rain SCT085 BKN110 OVC250 72 70 94% 30.03 1016.2 0.04
03 01:51 Calm 9.00 Thunderstorm Light Rain FEW050CB BKN130 OVC250 71.1 69.1 94% 30.08 1017.8 0.1
03 00:51 Vrbl 3 3.00 Thunderstorm Light Rain Fog/Mist SCT040CB BKN095 OVC150 71.1 69.1 91.9 71.1 94% 30.1 1018.6 0.56 1.63
02 23:51 S 7 4.00 Thunderstorm Light Rain Fog/Mist FEW035CB BKN070 OVC110 72 69.1 91% 30.08 1018.0 0.14
02 22:51 S 12 G 28 3.00 Thunderstorm Heavy Rain Fog/Mist SCT035CB BKN075 OVC120 73 66.9 81% 30.07 1017.7 0.93
02 21:51 NW 15 G 22 10.00 Thunderstorm BKN038 BKN075 BKN100 BKN250 78.1 69.1 74% 80 30.04 1016.7
02 20:51 SW 10 10.00 Thunderstorm SCT050CB BKN150 BKN250 88 72 59% 95 29.99 1015.0
02 19:51 S 8 G 21 10.00 Thunderstorm SCT050CB BKN100 BKN250 90 73 58% 98 29.98 1014.5
02 18:51 SW 13 G 22 10.00 Partly Cloudy FEW050 SCT250 91.9 70 95 90 49% 98 29.99 1014.9
02 16:51 S 12 G 23 10.00 Partly Cloudy SCT060 SCT250 93.9 69.1 44% 99 30 1015.1
02 15:51 SW 13 G 22 10.00 Mostly Cloudy SCT060 BKN250 93.9 66.9 41% 98 30.01 1015.4
02 14:51 S 14 G 20 10.00 Mostly Cloudy SCT055 BKN250 93.9 69.1 44% 99 30.02 1015.9
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)