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.
05 04:51 N 11 11.27 Fog/Mist SCT050CB BKN070 BKN120 BKN250 18.9 17.8 93% 76.07 1014.0
05 03:51 NW 7 12.87 Overcast BKN050CB BKN070 OVC110 19.4 17.8 91% 76.07 1013.6 0.08 0.08
05 02:51 Calm 16.09 Overcast BKN065CB BKN100 OVC250 20 17.8 87% 76.05 1013.4
05 01:51 N 6 12.87 Mostly Cloudy FEW005 BKN065 BKN100 BKN250 19.4 18.3 93% 76.05 1013.4
05 00:51 N 11 8.05 Fog/Mist FEW005 SCT025 BKN250 20 18.9 22.2 20 93% 76.05 1013.2
04 23:51 E 9 6.44 Fog/Mist SCT005 BKN023 BKN250 20 18.9 93% 76.05 1013.4
04 22:51 NE 17 4.02 Smoke Fog/Mist OVC004 20 18.9 93% 76.05 1013.3
04 22:46 NE 17 3.22 Smoke Fog/Mist OVC004 20 18.9 93% 76.05 1013.3
04 21:51 N 22 4.02 Smoke Fog/Mist BKN004 BKN100 BKN250 20 19.4 96% 76.05 1013.3
04 20:51 NE 17 11.27 Mostly Cloudy FEW010 SCT050 BKN250 21.7 20.6 94% 76.05 1013.4
04 19:51 N 13 16.09 Mostly Cloudy BKN011 BKN042 BKN250 21.7 20.6 94% 76.02 1013.2
04 18:51 E 22 8.05 Light Rain Fog/Mist FEW010 BKN100 21.7 20.6 28.3 21.7 94% 75.95 1012.3 0.15 0.46
04 17:51 E 19 4.83 Thunderstorm Light Rain Fog/Mist SCT050CB OVC100 22.2 21.1 94% 76.07 1013.7 0.3
04 16:51 N 20 16.09 Thunderstorm Light Rain SCT039CB SCT090 OVC110 23.9 20.6 82% 24 76.05 1013.5
04 15:51 NE 24 16.09 Thunderstorm BKN030CB BKN250 25.6 20 71% 27 76.02 1013.0
04 14:51 E 22 16.09 Mostly Cloudy SCT035 BKN100 26.7 20.6 69% 28 76.05 1013.3
04 13:51 Vrbl 7 16.09 Mostly Cloudy SCT036 SCT048 BKN080 BKN250 27.8 22.2 72% 30 76.1 1014.0
04 12:51 SW 9 16.09 Overcast BKN037 BKN044 OVC060 28.3 21.1 28.3 21.7 65% 31 76.17 1014.8
04 11:51 SW 7 16.09 Mostly Cloudy FEW030 BKN130 BKN250 28.3 21.1 65% 31 76.17 1014.9
04 10:51 Calm 16.09 Mostly Cloudy SCT160 BKN230 27.2 20 65% 29 76.12 1014.2
04 08:51 W 9 16.09 Mostly Cloudy FEW035 FEW065 BKN240 24.4 21.1 82% 25 76.17 1015.0
04 07:51 W 7 16.09 Mostly Cloudy FEW035 FEW065 FEW160 BKN240 22.8 20.6 87% 76.15 1014.5
04 06:51 W 7 16.09 Mostly Cloudy FEW060 FEW160 BKN240 21.7 20.6 21.7 20 94% 76.17 1015.0
04 05:51 Calm 12.87 Mostly Cloudy FEW065 SCT160 BKN250 20.6 20 96% 76.17 1014.9
04 04:51 SW 6 16.09 Mostly Cloudy FEW055 FEW070 BKN250 21.1 20 93% 76.17 1015.0
04 03:51 SW 11 16.09 Mostly Cloudy FEW080 BKN250 21.1 20 93% 76.23 1015.7
04 02:51 Calm 16.09 Mostly Cloudy BKN250 20.6 20 96% 76.2 1015.5
04 01:51 Calm 16.09 Mostly Cloudy FEW065 FEW120 BKN200 BKN250 21.1 20.6 97% 76.15 1014.7
04 00:51 SW 13 16.09 Light Rain FEW065 BKN120 OVC250 21.1 20 28.3 21.1 93% 76.15 1014.6 0.1 3.45
03 23:51 S 15 8.05 Rain Fog/Mist FEW040 BKN090 OVC120 21.7 20 90% 76.23 1015.5 0.33
03 22:51 E 7 16.09 Thunderstorm Light Rain SCT035CB OVC110 22.2 20.6 91% 76.28 1016.2 1.91
03 21:51 W 30 G 56 3.22 Thunderstorm Rain Fog/Mist SCT020 BKN039CB OVC080 22.2 21.1 94% 76.28 1016.2 1.12 1.12
03 20:51 NW 6 16.09 Overcast SCT046 BKN100 BKN160 OVC250 27.2 23.9 82% 30 76.1 1013.9
03 19:51 Calm 16.09 Mostly Cloudy FEW045 SCT150 BKN300 27.8 23.3 77% 31 76.1 1013.9
03 18:51 W 9 16.09 Mostly Cloudy FEW045 FEW150 BKN350 28.3 23.3 29.4 21.1 74% 32 76.1 1013.9 0.51
03 17:51 SW 11 16.09 Mostly Cloudy FEW120 SCT210 BKN300 28.3 22.8 72% 32 76.1 1014.1
03 16:51 S 7 16.09 Mostly Cloudy FEW045 SCT200 BKN300 26.1 21.1 74% 28 76.2 1015.4
03 15:51 S 7 16.09 Overcast FEW060 SCT140 BKN210 OVC250 23.3 20 82% 76.23 1015.8 0.51
03 14:51 E 11 16.09 Light Rain FEW040 BKN150 OVC250 22.2 20.6 91% 76.25 1016.2
03 13:51 S 13 14.48 Thunderstorm Light Rain FEW024 SCT040CB BKN095 OVC250 22.8 18.9 79% 76.25 1016.2 0.51
03 12:51 S 13 14.48 Light Rain FEW033 BKN046CB BKN100 BKN250 28.9 25 31.1 23.3 80% 34 76.2 1015.4 0.05 0.05
03 11:51 Vrbl 11 16.09 Mostly Cloudy FEW024 FEW050 BKN250 30 24.4 72% 36 76.3 1016.6
03 10:51 W 13 16.09 Mostly Cloudy SCT021 BKN028 BKN250 28.9 23.9 74% 33 76.35 1017.4
03 09:51 SW 15 16.09 Partly Cloudy FEW040 SCT250 28.3 23.9 77% 32 76.35 1017.3
03 08:51 S 17 16.09 A Few Clouds FEW044 FEW250 26.7 22.8 79% 29 76.35 1017.2
03 07:51 S 11 16.09 A Few Clouds FEW180 FEW250 24.4 21.7 85% 25 76.35 1017.2
03 06:51 SW 9 16.09 A Few Clouds FEW180 FEW250 23.3 21.1 23.3 21.7 88% 76.33 1016.9 0.36
03 05:51 S 15 16.09 Partly Cloudy FEW180 SCT250 22.2 21.1 94% 76.23 1015.7
03 04:51 S 20 16.09 A Few Clouds FEW250 22.2 21.1 94% 76.17 1014.8
03 03:51 S 13 16.09 Mostly Cloudy FEW090 SCT150 BKN250 21.7 21.1 96% 76.2 1015.1 0.36
03 02:51 S 13 16.09 Light Rain SCT085 BKN110 OVC250 22.2 21.1 94% 76.28 1016.2 0.1
03 01:51 Calm 14.48 Thunderstorm Light Rain FEW050CB BKN130 OVC250 21.7 20.6 94% 76.4 1017.8 0.25
03 00:51 Vrbl 6 4.83 Thunderstorm Light Rain Fog/Mist SCT040CB BKN095 OVC150 21.7 20.6 33.3 21.7 94% 76.45 1018.6 1.42 4.14
02 23:51 S 11 6.44 Thunderstorm Light Rain Fog/Mist FEW035CB BKN070 OVC110 22.2 20.6 91% 76.4 1018.0 0.36
02 22:51 S 19 G 44 4.83 Thunderstorm Heavy Rain Fog/Mist SCT035CB BKN075 OVC120 22.8 19.4 81% 76.38 1017.7 2.36
02 21:51 NW 24 G 35 16.09 Thunderstorm BKN038 BKN075 BKN100 BKN250 25.6 20.6 74% 27 76.3 1016.7
02 20:51 SW 17 16.09 Thunderstorm SCT050CB BKN150 BKN250 31.1 22.2 59% 35 76.17 1015.0
02 19:51 S 13 G 33 16.09 Thunderstorm SCT050CB BKN100 BKN250 32.2 22.8 58% 37 76.15 1014.5
02 18:51 SW 20 G 35 16.09 Partly Cloudy FEW050 SCT250 33.3 21.1 35 32.2 49% 37 76.17 1014.9
02 16:51 S 19 G 37 16.09 Partly Cloudy SCT060 SCT250 34.4 20.6 44% 37 76.2 1015.1
02 15:51 SW 20 G 35 16.09 Mostly Cloudy SCT060 BKN250 34.4 19.4 41% 36 76.23 1015.4
02 14:51 S 22 G 31 16.09 Mostly Cloudy SCT055 BKN250 34.4 20.6 44% 37 76.25 1015.9
02 12:51 SE 7 16.09 Mostly Cloudy BKN043 BKN250 32.2 22.8 32.2 26.1 58% 37 76.35 1017.2
02 11:51 E 7 16.09 Mostly Cloudy FEW038 BKN250 30.6 21.7 59% 34 76.38 1017.5
02 10:51 E 7 16.09 Mostly Cloudy FEW033 BKN250 28.9 20.6 61% 31 76.35 1017.4
02 09:51 E 19 16.09 Mostly Cloudy FEW028 FEW050 BKN250 27.8 18.9 58% 29 76.35 1017.1
02 08:51 NE 15 16.09 Mostly Cloudy BKN034 BKN065 BKN250 26.1 18.9 65% 27 76.33 1017.0
02 07:51 N 11 16.09 Mostly Cloudy SCT021 BKN030 BKN060 27.2 22.8 77% 30 76.33 1017.0
02 06:51 SW 11 16.09 A Few Clouds FEW045 FEW070 FEW300 26.7 23.3 28.3 25.6 82% 29 76.28 1016.1
02 05:51 SW 7 16.09 Partly Cloudy FEW040 SCT060 SCT250 26.1 22.8 82% 28 76.25 1015.8
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)