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.
04 02:51 Calm 16.09 Fair CLR 26.7 22.8 79% 29 75.97 1012.0
04 01:51 S 9 16.09 Fair CLR 26.1 22.2 79% 28 75.95 1011.7
04 00:51 Calm 16.09 A Few Clouds FEW150 25.6 22.2 28.9 25 82% 27 76.02 1013.1
03 23:51 N 6 16.09 A Few Clouds FEW250 26.1 21.7 77% 28 76.02 1012.9
03 22:51 Calm 16.09 A Few Clouds FEW250 26.7 21.1 71% 28 76.02 1013.0
03 21:51 NE 11 16.09 Fair CLR 27.8 21.7 69% 30 76.05 1013.1
03 20:51 Calm 16.09 A Few Clouds FEW100 FEW250 28.9 21.7 65% 32 76.02 1012.7
03 19:51 SE 9 16.09 A Few Clouds FEW100 FEW300 27.8 21.1 67% 30 75.92 1011.6
03 18:51 SE 15 16.09 A Few Clouds FEW090 FEW300 27.8 21.7 32.8 27.8 69% 30 75.92 1011.7
03 17:51 E 15 16.09 A Few Clouds FEW090 FEW300 29.4 20.6 59% 32 75.95 1011.8
03 16:51 E 15 16.09 Partly Cloudy FEW050 FEW090 SCT300 30 20 55% 32 75.97 1012.0
03 15:51 E 13 16.09 Mostly Cloudy FEW050 SCT090 BKN300 32.2 21.7 54% 36 75.97 1012.1
03 14:51 SE 11 16.09 Mostly Cloudy FEW050 BKN085 BKN300 30.6 21.1 57% 33 76 1012.5
03 13:51 SE 7 16.09 Mostly Cloudy FEW050 BKN080 BKN250 28.9 21.7 65% 32 76.05 1013.3
03 12:51 N 15 G 28 16.09 Partly Cloudy FEW045 SCT160 SCT250 27.8 20.6 31.7 26.7 65% 30 76.12 1014.2
03 11:51 N 30 G 41 16.09 Mostly Cloudy FEW020 SCT055 SCT160 BKN250 27.8 22.2 72% 30 76.15 1014.6
03 10:51 NW 20 G 33 16.09 Mostly Cloudy FEW038 FEW060CB BKN080 BKN250 30.6 22.2 61% 34 76.07 1013.6
03 09:51 SW 13 16.09 Mostly Cloudy FEW050 SCT110 BKN250 30.6 21.7 59% 34 76.02 1012.8
03 08:51 SW 17 16.09 Partly Cloudy FEW030 FEW100 SCT250 29.4 21.7 63% 32 76 1012.6
03 07:51 SW 15 16.09 A Few Clouds FEW150 FEW250 27.2 21.7 72% 29 76.02 1012.9
03 06:51 SW 13 16.09 Partly Cloudy FEW120 SCT170 SCT250 26.7 21.7 28.3 26.1 74% 29 76.02 1013.0
03 05:51 SW 13 16.09 Partly Cloudy SCT140 SCT250 26.7 21.7 74% 29 76.02 1012.7
03 04:51 SW 11 16.09 Partly Cloudy SCT140 SCT250 26.7 22.2 76% 29 76 1012.5
03 03:51 SW 11 16.09 Mostly Cloudy BKN140 BKN250 26.7 22.8 79% 29 76 1012.3
03 02:51 SW 9 16.09 A Few Clouds FEW120 FEW250 26.7 23.3 82% 29 76 1012.2
03 01:51 SW 7 16.09 A Few Clouds FEW120 FEW250 27.8 22.8 74% 31 76 1012.4
03 00:51 SW 11 16.09 Mostly Cloudy SCT120 BKN250 28.3 22.8 32.8 28.3 72% 32 76 1012.6
02 23:51 SW 11 16.09 Partly Cloudy FEW110 SCT250 28.3 22.8 72% 32 76 1012.3
02 22:51 SW 9 16.09 A Few Clouds FEW250 28.9 23.3 72% 33 76 1012.4
02 21:51 SW 11 16.09 A Few Clouds FEW250 30 23.3 67% 34 75.97 1012.2
02 20:51 SW 9 16.09 A Few Clouds FEW250 30.6 22.8 63% 35 75.95 1012.0
02 19:51 SW 15 16.09 Partly Cloudy FEW100 SCT250 31.7 23.3 61% 37 75.92 1011.3
02 18:51 SW 19 16.09 Partly Cloudy FEW100 FEW200 SCT300 32.8 23.3 35.6 32.8 57% 38 75.92 1011.3
02 17:51 SW 24 G 37 16.09 Mostly Cloudy FEW100 FEW200 BKN300 33.9 21.1 47% 37 75.92 1011.5
02 16:51 SW 22 G 31 16.09 Partly Cloudy FEW060 FEW100 FEW190 SCT300 34.4 21.1 46% 38 75.95 1011.7
02 15:51 W 20 G 39 16.09 Partly Cloudy FEW100 FEW200 SCT300 35 20 41% 38 75.95 1011.8
02 14:51 SW 19 G 35 16.09 Mostly Cloudy FEW100 SCT200 BKN300 35 20.6 43% 38 75.97 1012.0
02 13:51 W 20 G 37 16.09 Mostly Cloudy SCT100 SCT210 BKN300 35 20 41% 38 76 1012.5
02 12:51 SW 13 16.09 Partly Cloudy FEW100 SCT300 34.4 20.6 34.4 25.6 44% 37 76.02 1012.7
02 11:51 SW 19 16.09 Partly Cloudy SCT300 32.2 21.7 54% 36 76.07 1013.3
02 10:51 SW 13 16.09 Partly Cloudy FEW100 SCT250 31.1 21.1 55% 34 76.1 1013.8
02 09:51 W 7 16.09 Mostly Cloudy FEW100 BKN250 29.4 21.7 63% 32 76.1 1013.9
02 08:51 W 15 16.09 Mostly Cloudy FEW100 BKN250 28.3 21.1 65% 31 76.1 1013.8
02 07:51 SW 15 16.09 Mostly Cloudy FEW090 BKN250 26.7 20.6 69% 28 76.1 1013.9
02 06:51 SW 15 16.09 Mostly Cloudy FEW095 BKN250 25.6 20.6 27.2 25.6 74% 27 76.1 1013.8
02 05:51 SW 13 16.09 Mostly Cloudy FEW085 BKN250 25.6 20.6 74% 27 76.07 1013.7
02 04:51 SW 13 16.09 Mostly Cloudy SCT085 BKN250 26.1 21.1 74% 28 76.07 1013.6
02 03:51 S 15 16.09 Mostly Cloudy SCT085 BKN250 26.7 21.1 71% 28 76.07 1013.3
02 02:51 SW 11 16.09 Partly Cloudy FEW085 SCT250 26.7 21.7 74% 29 76.05 1013.2
02 01:51 SW 13 16.09 A Few Clouds FEW020 FEW250 27.2 21.7 72% 29 76.07 1013.3
02 00:51 SW 15 16.09 Fair CLR 27.2 22.2 32.2 27.2 74% 30 76.05 1013.2
01 23:51 SW 15 16.09 A Few Clouds FEW250 28.3 22.2 70% 31 76.07 1013.3
01 22:51 SW 9 16.09 A Few Clouds FEW250 28.9 22.2 67% 32 76.07 1013.5
01 21:51 SW 13 16.09 A Few Clouds FEW250 29.4 22.2 65% 33 76.07 1013.4
01 20:51 SW 15 16.09 A Few Clouds FEW110 FEW250 30.6 22.2 61% 34 76.05 1013.1
01 19:51 SW 15 16.09 Partly Cloudy FEW100 SCT250 31.7 22.8 59% 36 76 1012.4
01 18:51 SW 13 16.09 Mostly Cloudy FEW050 SCT100 BKN300 32.2 23.9 35 32.2 62% 38 76 1012.5
01 17:51 SW 13 16.09 Mostly Cloudy FEW045 SCT110 BKN300 32.8 23.3 57% 38 76 1012.7
01 16:51 SW 15 16.09 Mostly Cloudy FEW045 BKN110 BKN300 33.9 23.3 54% 40 76.02 1012.7
01 15:51 SW 13 G 28 16.09 Mostly Cloudy FEW041 BKN100 BKN300 34.4 22.2 49% 39 76.02 1012.8
01 14:51 SW 17 16.09 Mostly Cloudy FEW041 FEW120 BKN300 33.9 22.8 52% 39 76.05 1013.0
01 13:51 SW 20 G 28 16.09 Mostly Cloudy FEW040 FEW120 BKN250 33.9 22.8 52% 39 76.07 1013.4
01 12:51 SW 15 16.09 Partly Cloudy FEW040 FEW150 SCT250 32.8 23.3 33.3 25 57% 38 76.07 1013.7
01 11:51 SW 17 16.09 Partly Cloudy FEW120 SCT150 SCT250 32.2 24.4 63% 39 76.12 1014.1
01 10:51 SW 11 16.09 Mostly Cloudy FEW060 SCT150 BKN250 30.6 23.9 67% 36 76.12 1014.2
01 09:51 S 11 16.09 Mostly Cloudy BKN140 BKN210 BKN250 28.3 23.3 74% 32 76.12 1014.1
01 08:51 SW 11 16.09 Partly Cloudy FEW140 SCT250 26.7 22.8 79% 29 76.12 1014.2
01 07:51 SW 11 16.09 Mostly Cloudy BKN150 BKN250 25.6 22.2 82% 27 76.12 1014.4
01 06:51 SW 7 16.09 Mostly Cloudy FEW060 BKN160 BKN250 25 22.2 26.7 25 85% 26 76.1 1013.9
01 05:51 S 6 16.09 Mostly Cloudy FEW130 BKN170 BKN250 25 22.2 85% 26 76.05 1013.4
01 04:51 SW 9 16.09 Mostly Cloudy SCT130 BKN200 BKN250 25.6 22.2 82% 27 76.05 1013.0
01 03:51 SW 11 16.09 Mostly Cloudy SCT200 BKN250 25.6 21.7 79% 27 76.02 1013.0
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)