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.
22 15:51 Vrbl 7 16.09 A Few Clouds FEW050 22.2 8.9 43% 76.76 1023.3
22 14:51 N 9 16.09 A Few Clouds FEW050 22.2 8.9 43% 76.78 1023.5
22 13:51 NW 7 16.09 A Few Clouds FEW050 22.2 9.4 44% 76.81 1024.0
22 12:51 N 6 16.09 A Few Clouds FEW050 22.2 9.4 44% 76.89 1024.7
22 11:51 Calm 16.09 Fair CLR 20.6 10 51% 76.91 1025.2
22 10:51 Calm 16.09 Fair CLR 18.9 9.4 54% 76.91 1025.2
22 09:51 N 6 16.09 Fair CLR 17.8 9.4 58% 76.89 1025.1
22 08:51 Calm 16.09 Fair CLR 14.4 8.9 70% 76.89 1025.1
22 07:51 Calm 16.09 Fair CLR 11.1 7.2 77% 76.86 1024.6
22 06:51 Calm 16.09 Fair CLR 10.6 7.2 12.8 10 80% 76.81 1024.0
22 05:51 Calm 16.09 Fair CLR 11.1 7.2 77% 76.78 1023.6
22 04:51 Calm 16.09 Fair CLR 10 7.2 83% 76.78 1023.5
22 03:51 W 6 16.09 Fair CLR 11.7 6.7 72% 76.76 1023.3
22 02:51 Calm 16.09 Fair CLR 11.7 6.7 72% 76.76 1023.2
22 01:51 Calm 16.09 Fair CLR 12.2 6.1 67% 76.76 1023.1
22 00:51 Calm 16.09 Fair CLR 12.2 6.7 17.8 12.2 69% 76.73 1023.0
21 23:51 SW 6 16.09 Fair CLR 12.2 7.2 72% 76.76 1023.2
21 22:51 Calm 16.09 Fair CLR 12.2 7.8 75% 76.78 1023.6
21 21:51 Calm 16.09 Fair CLR 13.9 7.8 67% 76.76 1023.4
21 20:51 Calm 16.09 Fair CLR 15.6 7.2 58% 76.76 1023.3
21 19:51 SE 6 16.09 Fair CLR 16.1 6.7 54% 76.73 1023.1
21 18:51 Calm 16.09 Fair CLR 17.8 7.2 21.7 17.8 50% 76.71 1022.7
21 17:51 SW 6 16.09 A Few Clouds FEW090 20 5.6 39% 76.71 1022.7
21 16:51 W 7 16.09 A Few Clouds FEW090 21.1 5.6 37% 76.71 1022.5
21 15:51 Vrbl 6 16.09 A Few Clouds FEW090 21.7 5.6 35% 76.71 1022.5
21 14:51 S 6 16.09 A Few Clouds FEW090 21.1 5 35% 76.73 1022.8
21 13:51 S 9 16.09 A Few Clouds FEW090 21.1 5 35% 76.78 1023.7
21 12:51 SW 7 16.09 A Few Clouds FEW090 20.6 5 20.6 7.2 36% 76.84 1024.5
21 11:51 SW 9 16.09 Fair CLR 19.4 5 39% 76.89 1025.0
21 10:51 SW 7 16.09 Fair CLR 17.2 6.1 48% 76.91 1025.5
21 09:51 S 9 16.09 Fair CLR 14.4 6.7 60% 76.94 1025.8
21 08:51 SW 6 16.09 Fair CLR 11.1 6.7 75% 76.94 1026.0
21 07:51 Calm 12.87 Fair CLR 8.3 6.1 86% 76.94 1025.7
21 06:51 Calm 12.87 A Few Clouds FEW002 7.8 6.1 8.9 7.2 89% 76.91 1025.6
21 05:51 Calm 9.66 Fog/Mist FEW002 7.8 6.1 89% 76.89 1025.2
21 04:51 Calm 12.87 Fair CLR 7.8 6.1 89% 76.89 1025.0
21 03:51 Calm 12.87 Fair CLR 7.8 6.7 93% 76.89 1025.2
21 02:51 Calm 11.27 Fair CLR 8.3 7.2 93% 76.91 1025.4
21 01:51 Calm 12.87 Fair CLR 8.9 7.2 89% 76.91 1025.4
21 00:51 Calm 12.87 Fair CLR 8.9 7.8 15 8.9 93% 76.94 1025.7
20 23:51 Calm 16.09 Fair CLR 10 8.3 89% 76.96 1025.9
20 22:51 Calm 16.09 Fair CLR 10.6 8.9 89% 76.99 1026.4
20 21:51 Calm 16.09 Fair CLR 11.7 8.9 83% 76.99 1026.3
20 20:51 Calm 16.09 Fair CLR 12.2 8.9 80% 76.99 1026.5
20 19:51 E 7 16.09 Fair CLR 13.9 8.9 72% 77.01 1026.9
20 18:51 E 7 16.09 Fair CLR 15 7.8 20.6 15 62% 77.01 1027.0
20 17:51 E 9 16.09 Fair CLR 16.7 7.2 54% 77.01 1026.7
20 16:51 E 17 16.09 Fair CLR 18.3 7.2 49% 77.01 1026.8
20 15:51 NE 9 16.09 Fair CLR 20.6 5 36% 77.01 1026.8
20 14:51 Calm 16.09 Fair CLR 20.6 3.9 33% 77.04 1026.9
20 13:51 Calm 16.09 Fair CLR 20 4.4 36% 77.09 1027.9
20 12:51 SE 7 16.09 Fair CLR 19.4 5 19.4 7.2 39% 77.14 1028.5
20 11:51 S 6 16.09 Fair CLR 18.9 6.7 45% 77.19 1029.1
20 10:51 SE 7 16.09 A Few Clouds FEW300 17.2 8.3 56% 77.24 1029.8
20 09:51 Calm 9.66 Fog/Mist FEW300 12.8 10.6 87% 77.24 1029.8
20 08:51 Calm 8.05 Fog/Mist FEW003 FEW250 10.6 10 96% 77.24 1029.9
20 07:51 SW 6 2.82 Fog/Mist SCT002 SCT250 7.2 7.2 100% 77.22 1029.5
20 06:51 Calm 0.80 Fog BKN002 BKN250 8.3 7.8 9.4 6.7 97% 77.19 1029.4
20 05:51 N 6 0.80 Fog VV001 8.3 7.8 97% 77.17 1028.8
20 04:51 N 7 6.44 Fog/Mist SCT002 SCT300 7.2 6.7 97% 6 77.14 1028.6
20 03:51 Calm 16.09 A Few Clouds FEW002 FEW300 7.2 6.1 93% 77.14 1028.4
20 02:51 Calm 16.09 Fair CLR 7.8 6.7 93% 77.14 1028.4
20 01:51 N 9 16.09 Fair CLR 7.8 6.1 89% 6 77.11 1028.3
20 00:51 Calm 16.09 Fair CLR 8.3 6.7 14.4 8.3 90% 77.11 1028.2
19 23:51 Calm 16.09 A Few Clouds FEW300 9.4 6.7 83% 77.11 1028.3
19 22:51 Calm 16.09 A Few Clouds FEW300 10.6 7.2 80% 77.14 1028.5
19 21:51 Calm 16.09 A Few Clouds FEW300 11.1 7.2 77% 77.11 1028.3
19 20:51 Calm 16.09 A Few Clouds FEW300 12.8 6.7 67% 77.11 1028.1
19 19:51 Calm 16.09 Partly Cloudy SCT300 13.3 6.1 62% 77.09 1028.0
19 18:51 E 9 16.09 Mostly Cloudy BKN300 14.4 6.1 20 14.4 58% 77.09 1028.1
19 17:51 E 11 16.09 Mostly Cloudy BKN300 17.8 4.4 41% 77.09 1027.7
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)