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.
22 13:51 SE 7 10.00 Light Rain FEW055 SCT100 BKN150 BKN250 66.9 48 51% 29.93 1013.3
22 12:51 SW 14 G 22 10.00 Mostly Cloudy FEW110 BKN160 BKN250 71.1 44.1 71.1 55 38% 30 1015.5
22 11:51 S 15 G 25 10.00 Mostly Cloudy SCT170 BKN220 BKN250 70 44.1 39% 30 1015.6
22 10:51 S 12 G 21 10.00 Mostly Cloudy FEW150 FEW200 BKN250 68 45 44% 30.03 1016.8
22 09:51 S 10 10.00 Mostly Cloudy FEW200 BKN250 62.1 44.1 52% 30.06 1017.7
22 08:51 S 9 10.00 Mostly Cloudy BKN250 57.9 42.1 56% 30.08 1018.5
22 07:51 S 8 10.00 Mostly Cloudy BKN250 55 41 59% 30.08 1018.5
22 06:51 S 10 10.00 Mostly Cloudy BKN250 55 41 62.1 55 59% 30.09 1018.6
22 05:51 S 8 10.00 Partly Cloudy SCT250 57 41 55% 30.11 1019.4
22 04:51 S 6 10.00 Partly Cloudy SCT250 57 41 55% 30.11 1019.3
22 03:51 S 7 10.00 Mostly Cloudy BKN250 57 39.9 53% 30.1 1018.8
22 02:51 S 8 10.00 Mostly Cloudy BKN250 59 39.9 49% 30.11 1019.2
22 01:51 S 5 10.00 A Few Clouds FEW250 61 39.9 46% 30.13 1019.8
22 00:51 S 6 10.00 Fair CLR 62.1 39 73.9 62.1 43% 30.13 1019.9
21 23:51 S 6 10.00 A Few Clouds FEW250 64 37.9 38% 30.13 1020.1
21 22:51 S 9 10.00 A Few Clouds FEW250 66.9 37.9 35% 30.14 1020.4
21 21:51 SW 8 10.00 A Few Clouds FEW250 68 39 35% 30.15 1020.6
21 20:51 S 8 10.00 Fair CLR 70 39.9 34% 30.15 1020.6
21 19:51 S 6 10.00 A Few Clouds FEW300 71.1 41 34% 30.14 1020.5
21 18:51 S 5 10.00 Partly Cloudy SCT300 73.9 39.9 81 73.9 29% 30.14 1020.4
21 17:51 S 6 10.00 Mostly Cloudy FEW250 BKN300 78.1 39.9 26% 78 30.14 1020.3
21 16:51 SW 8 10.00 Mostly Cloudy FEW250 BKN300 80.1 39.9 24% 79 30.14 1020.4
21 15:51 SW 10 G 21 10.00 Mostly Cloudy FEW250 BKN300 81 39.9 23% 79 30.15 1020.5
21 14:51 S 9 G 18 10.00 Mostly Cloudy BKN300 79 41 26% 78 30.15 1020.7
21 13:51 SW 13 G 20 10.00 Partly Cloudy SCT250 79 42.1 27% 78 30.17 1021.4
21 12:51 S 10 10.00 A Few Clouds FEW250 77 43 77 54 30% 78 30.2 1022.2
21 11:51 SW 9 10.00 A Few Clouds FEW250 73.9 43 33% 30.22 1022.9
21 10:51 SW 8 10.00 A Few Clouds FEW250 70 43 38% 30.24 1023.7
21 09:51 SW 8 10.00 A Few Clouds FEW250 64.9 43 45% 30.24 1023.9
21 08:51 SW 9 10.00 A Few Clouds FEW250 59 43 56% 30.24 1023.9
21 07:51 SW 7 10.00 A Few Clouds FEW250 55 42.1 62% 30.23 1023.6
21 06:51 SW 6 10.00 Fair CLR 54 41 62.1 54 62% 30.22 1023.3
21 05:51 SW 5 10.00 Fair CLR 54 39.9 59% 30.22 1023.1
21 04:51 SW 5 10.00 Fair CLR 55 39.9 57% 30.21 1022.9
21 03:51 SW 6 10.00 Fair CLR 55.9 39 53% 30.21 1022.6
21 02:51 SW 8 10.00 Fair CLR 59 39 48% 30.21 1022.6
21 01:51 SW 8 10.00 Fair CLR 60.1 39 46% 30.21 1022.7
21 00:51 SW 8 10.00 Fair CLR 62.1 37.9 72 62.1 41% 30.21 1022.7
20 23:51 SW 9 10.00 Fair CLR 64 37.9 38% 30.21 1022.6
20 22:51 SW 10 10.00 Fair CLR 66 37.9 36% 30.21 1022.8
20 21:51 SW 9 10.00 Fair CLR 66.9 37.9 35% 30.22 1023.0
20 20:51 SW 9 10.00 Fair CLR 69.1 37.9 32% 30.22 1023.2
20 19:51 SW 10 10.00 Fair CLR 71.1 39 31% 30.22 1023.1
20 18:51 SW 8 10.00 Fair CLR 72 39.9 79 72 31% 30.22 1023.2
20 17:51 SW 10 10.00 Fair CLR 75 39.9 28% 77 30.22 1023.3
20 16:51 SW 13 10.00 Fair CLR 78.1 41 27% 78 30.23 1023.5
20 15:51 SW 14 G 22 10.00 Fair CLR 78.1 41 27% 78 30.25 1024.0
20 14:51 SW 12 G 21 10.00 Fair CLR 78.1 41 27% 78 30.25 1024.2
20 13:51 SW 12 G 22 10.00 Fair CLR 77 39.9 26% 77 30.28 1025.1
20 12:51 SW 10 G 22 10.00 Fair CLR 73.9 39.9 73.9 51.1 29% 30.3 1025.8
20 11:51 SW 12 10.00 Fair CLR 71.1 41 34% 30.32 1026.4
20 10:51 SW 9 10.00 Fair CLR 66.9 41 39% 30.33 1026.9
20 09:51 SW 8 10.00 Fair CLR 61 41 48% 30.34 1027.3
20 08:51 SW 10 10.00 Fair CLR 55.9 39.9 55% 30.34 1027.4
20 07:51 SW 7 10.00 Fair CLR 51.1 39 64% 30.34 1027.4
20 06:51 SW 8 10.00 Fair CLR 51.1 37.9 54 51.1 61% 30.33 1027.2
20 05:51 SW 7 10.00 Fair CLR 51.1 37.9 61% 30.33 1027.2
20 04:51 SW 6 10.00 Fair CLR 52 37 57% 30.34 1027.4
20 03:51 SW 8 10.00 Fair CLR 53.1 37 55% 30.34 1027.3
20 02:51 SW 7 10.00 Fair CLR 53.1 37 55% 30.34 1027.2
20 01:51 SW 8 10.00 Fair CLR 53.1 37.9 57% 30.34 1027.3
20 00:51 SW 7 10.00 Fair CLR 54 37.9 64 54 55% 30.35 1027.7
19 23:51 SW 7 10.00 Fair CLR 55 37.9 53% 30.35 1027.8
19 22:51 SW 5 10.00 A Few Clouds FEW250 57 37.9 49% 30.36 1028.2
19 21:51 SW 6 10.00 A Few Clouds FEW250 59 37.9 46% 30.36 1028.0
19 20:51 S 7 10.00 Mostly Cloudy BKN250 60.1 39.9 48% 30.36 1028.2
19 19:51 S 6 10.00 Partly Cloudy SCT250 62.1 39.9 44% 30.37 1028.5
19 18:51 S 6 10.00 Mostly Cloudy BKN250 64 39.9 71.1 64 41% 30.37 1028.4
19 17:51 S 6 10.00 Mostly Cloudy BKN250 68 39.9 36% 30.37 1028.5
19 16:51 SW 10 10.00 Partly Cloudy SCT250 71.1 39.9 32% 30.38 1028.7
19 15:51 SW 9 10.00 A Few Clouds FEW250 71.1 39.9 32% 30.38 1028.8
19 14:51 S 9 10.00 A Few Clouds FEW250 71.1 41 34% 30.39 1029.2
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)