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.
03 10:51 SE 9 16.09 A Few Clouds FEW040 17.2 8.9 58% 76.99 1026.4
03 09:51 SE 13 16.09 A Few Clouds FEW030 FEW150 16.1 9.4 65% 77.01 1026.7
03 08:51 SE 7 16.09 A Few Clouds FEW030 FEW150 14.4 10 75% 77.01 1026.7
03 07:51 Calm 16.09 A Few Clouds FEW030 FEW150 12.2 8.9 80% 77.04 1027.0
03 06:51 Calm 16.09 A Few Clouds FEW030 FEW150 10 7.2 12.8 8.9 83% 76.99 1026.5
03 05:51 Calm 16.09 A Few Clouds FEW030 10 7.2 83% 76.96 1026.3
03 04:51 N 9 16.09 A Few Clouds FEW030 9.4 6.7 83% 8 76.96 1026.1
03 03:51 N 9 16.09 Fair CLR 10.6 7.2 80% 76.94 1025.7
03 02:51 NE 7 16.09 A Few Clouds FEW035 11.7 7.8 77% 76.94 1025.8
03 01:51 E 7 16.09 A Few Clouds FEW035 11.7 8.3 80% 76.94 1025.6
03 00:51 E 9 16.09 A Few Clouds FEW030 12.8 7.8 15 11.1 72% 76.94 1025.7
02 23:51 Calm 16.09 A Few Clouds FEW030 11.1 8.9 86% 76.96 1025.9
02 22:51 N 6 16.09 Fair CLR 12.2 8.3 77% 76.94 1025.8
02 21:51 N 9 16.09 Fair CLR 13.3 7.8 70% 76.94 1025.7
02 20:51 N 9 16.09 Fair CLR 13.9 7.2 64% 76.91 1025.4
02 19:51 NE 11 16.09 Fair CLR 14.4 8.3 67% 76.86 1024.8
02 18:51 E 15 16.09 A Few Clouds FEW250 15 8.3 19.4 15 64% 76.81 1024.2
02 17:51 NE 11 16.09 Fair CLR 16.7 7.8 56% 76.78 1023.8
02 16:51 N 13 16.09 Fair CLR 17.8 5.6 45% 76.76 1023.4
02 15:51 N 15 16.09 A Few Clouds FEW250 18.9 6.1 43% 76.76 1023.1
02 14:51 Vrbl 6 16.09 A Few Clouds FEW040 FEW250 18.9 6.1 43% 76.78 1023.5
02 13:51 E 13 16.09 A Few Clouds FEW042 FEW250 17.8 6.7 48% 76.81 1023.8
02 12:51 N 15 16.09 A Few Clouds FEW042 FEW250 17.8 6.1 17.8 11.7 46% 76.81 1023.8
02 11:51 NE 17 16.09 Partly Cloudy FEW034 SCT230 17.2 8.9 58% 76.84 1024.1
02 10:51 N 20 16.09 Partly Cloudy FEW026 FEW040 SCT230 16.7 10 65% 76.81 1023.8
02 09:51 N 20 16.09 Mostly Cloudy FEW040 SCT220 BKN250 16.1 9.4 65% 76.73 1022.9
02 08:51 N 20 16.09 Mostly Cloudy FEW040 BKN230 13.3 8.3 72% 76.68 1022.1
02 07:51 N 17 16.09 Mostly Cloudy FEW040 BKN230 13.3 8.3 72% 76.61 1021.4
02 06:51 N 17 16.09 Mostly Cloudy FEW035 BKN250 11.7 7.8 16.1 11.7 77% 76.56 1020.7
02 05:51 N 19 16.09 Mostly Cloudy FEW029 FEW055 BKN250 11.7 8.3 80% 76.48 1019.5
02 04:51 N 22 16.09 Partly Cloudy FEW027 SCT055 13.3 8.9 75% 76.4 1018.5
02 03:51 N 19 16.09 Overcast SCT042 OVC060 14.4 10 75% 76.33 1017.6
02 02:51 N 15 16.09 Overcast OVC036 15.6 12.2 80% 76.3 1017.1
02 01:51 N 15 16.09 Overcast SCT033 BKN046 BKN160 BKN200 OVC250 16.1 14.4 90% 76.23 1016.0
02 00:51 NW 13 16.09 Overcast FEW009 SCT028 BKN055 BKN160 OVC250 16.1 15 17.2 16.1 93% 76.17 1015.5 0.03 1.27
01 23:51 NW 17 14.48 Light Rain SCT008 BKN075 OVC120 16.7 15.6 93% 76.2 1015.5 0.23
01 22:51 N 11 14.48 Light Rain FEW010 SCT095 OVC130 16.1 15.6 97% 76.17 1015.3 0.08
01 21:51 N 17 12.87 Light Rain FEW015 BKN090 OVC120 16.1 15 93% 76.17 1015.1 0.08 0.94
01 20:51 NE 17 4.83 Rain Fog/Mist SCT010 BKN045 OVC070 16.1 15 93% 76.15 1015.0 0.43
01 19:51 N 17 4.83 Rain Fog/Mist SCT009 BKN026 OVC045 16.7 15.6 93% 76.07 1014.1 0.43
01 18:51 N 22 9.66 Light Rain Fog/Mist BKN006 OVC026 17.2 16.1 21.1 17.2 93% 75.95 1012.4 0.23 1.75
01 17:51 N 24 3.22 Heavy Rain Fog/Mist BKN006 OVC028 17.2 16.7 97% 75.95 1012.3 0.76
01 16:51 N 24 6.44 Rain Fog/Mist BKN008 OVC021 17.8 16.7 93% 75.9 1011.6 0.33
01 15:51 N 22 6.44 Light Rain Fog/Mist BKN006 OVC013 18.3 17.8 97% 75.9 1011.6 0.1 0.43
01 14:51 W 13 8.05 Light Rain Fog/Mist BKN010 OVC029 21.1 20 93% 75.82 1010.5 0.1
01 13:51 SW 17 8.05 Light Rain Fog/Mist BKN010 OVC016 20.6 20 96% 75.84 1010.9 0.23
01 12:51 SW 15 8.05 Light Rain Fog/Mist SCT031 BKN060 OVC100 20.6 19.4 21.1 18.3 93% 75.87 1011.1 0.28 0.41
01 11:51 SW 11 14.48 Light Rain BKN039 BKN050 OVC110 21.1 18.9 87% 75.87 1011.2 0.03
01 10:51 SW 13 16.09 Overcast SCT035 BKN110 OVC250 21.1 18.3 84% 75.82 1010.5
01 09:51 S 9 16.09 Overcast FEW065 BKN110 OVC140 20.6 17.8 84% 75.79 1010.3 0.1
01 08:51 S 9 16.09 Overcast FEW065 BKN140 OVC250 19.4 17.8 91% 75.77 1009.9
01 07:51 S 13 16.09 Overcast FEW065 SCT080 OVC130 18.9 17.8 93% 75.77 1009.8 0.1
01 06:51 S 9 14.48 Light Rain SCT065 BKN085 OVC100 18.3 17.2 18.3 17.8 93% 75.82 1010.4 0.03 0.15
01 05:51 S 9 14.48 Overcast FEW075 OVC100 18.3 17.2 93% 75.79 1010.2 0.08
01 04:51 S 6 11.27 Light Rain SCT070 OVC110 18.3 17.2 93% 75.84 1010.9 0.03
01 03:51 Calm 14.48 Overcast BKN075 OVC110 18.3 17.2 93% 75.82 1010.5 0.03
01 02:51 SE 7 12.87 Light Rain BKN070 OVC090 17.8 16.7 93% 75.82 1010.6 0.03
01 01:51 W 6 14.48 Light Rain FEW070 BKN110 OVC250 17.8 16.7 93% 75.84 1011.1
01 00:51 Calm 16.09 Light Rain BKN070 OVC100 17.8 16.7 17.8 17.8 93% 75.9 1011.5 0.05
30 23:51 Calm 14.48 Overcast BKN065 BKN080 OVC100 17.8 16.7 93% 75.84 1011.1
30 21:51 Calm 16.09 Overcast FEW023 SCT060 OVC100 17.8 16.7 93% 75.9 1011.6 0.05
30 20:51 Calm 16.09 Overcast SCT029 OVC038 17.8 16.7 93% 75.9 1011.6
30 19:51 Calm 12.87 Light Rain BKN027 BKN080 OVC130 17.8 16.7 93% 75.9 1011.5 0.05
30 18:51 S 15 9.66 Light Rain Fog/Mist SCT009 BKN023 OVC075 17.8 17.2 18.3 16.7 96% 75.87 1011.2 0.13 0.23
30 17:51 S 19 9.66 Light Rain Fog/Mist BKN008 OVC016 18.3 17.2 93% 75.84 1010.9 0.05
30 16:51 S 19 G 30 9.66 Light Rain Fog/Mist BKN008 OVC029 18.3 17.2 93% 75.82 1010.6 0.03
30 15:51 S 13 9.66 Light Rain Fog/Mist BKN007 BKN030 OVC050 17.8 17.2 96% 75.84 1010.7 0.03 0.03
30 14:51 S 17 11.27 Light Rain SCT009 BKN014 OVC023 17.8 16.7 93% 75.84 1010.9
30 13:51 SW 17 G 33 11.27 Light Rain BKN009 OVC013 17.2 16.1 93% 75.9 1011.4
30 12:51 SW 17 6.44 Light Rain Fog/Mist BKN008 BKN013 OVC018 16.7 15.6 18.3 15.6 93% 75.95 1012.2 0.28 1.6
30 11:51 S 20 G 31 4.83 Light Rain Fog/Mist OVC008 16.7 15.6 93% 75.97 1012.5 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)