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.
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
01 02:51 SW 15 16.09 Mostly Cloudy BKN200 BKN250 26.1 21.7 77% 28 76.02 1012.8
01 01:51 SW 11 16.09 Mostly Cloudy SCT180 BKN250 26.1 22.2 79% 28 76 1012.6
01 00:51 SW 9 16.09 Mostly Cloudy BKN250 26.1 22.2 27.8 26.1 79% 28 76 1012.6
31 23:51 SW 13 16.09 Mostly Cloudy BKN250 26.7 22.8 79% 29 76 1012.7
31 22:51 SW 11 16.09 Mostly Cloudy SCT180 BKN250 26.7 22.8 79% 29 76.02 1012.9
31 21:51 SW 11 16.09 Mostly Cloudy FEW100 BKN150 BKN180 BKN250 26.7 23.3 82% 29 76.02 1012.9
31 20:51 S 7 16.09 Mostly Cloudy FEW050 SCT100 BKN150 BKN190 BKN250 27.2 23.3 79% 30 76.05 1013.2
31 19:51 S 9 16.09 Mostly Cloudy FEW050 SCT100 BKN150 BKN250 27.2 23.9 82% 30 76 1012.7
31 18:51 SE 11 16.09 Mostly Cloudy FEW040 SCT065 SCT110 BKN200 BKN250 27.2 23.9 30.6 26.1 82% 30 75.95 1011.8 1.3
31 17:51 S 11 16.09 Mostly Cloudy FEW026 SCT065 BKN100 BKN190 BKN250 27.8 23.9 79% 32 75.97 1012.4 0.51
31 16:51 S 9 16.09 Thunderstorm FEW026 SCT060CB BKN100 OVC250 29.4 22.2 65% 33 75.97 1012.2
31 15:51 NW 6 16.09 Light Rain FEW019 SCT055CB BKN110 BKN170 BKN250 28.9 22.8 70% 32 76 1012.8 0.18 0.79
31 14:51 SW 11 14.48 Light Rain FEW024 SCT060TCU BKN110 BKN140 BKN250 27.8 22.2 72% 30 75.97 1012.1 0.61
31 13:51 S 26 G 35 16.09 Thunderstorm Light Rain SCT055CB SCT080 BKN100 BKN250 28.9 20 59% 31 75.97 1012.2
31 12:51 SW 24 G 43 16.09 Partly Cloudy FEW040 FEW150 SCT250 28.9 19.4 28.9 21.7 57% 30 76.02 1012.8 0.36
31 11:51 S 19 G 35 16.09 Mostly Cloudy FEW045 FEW100 BKN150 BKN250 25 20 74% 26 76.07 1013.8
31 10:51 S 17 G 31 16.09 Mostly Cloudy FEW060 BKN100 23.3 19.4 79% 76.1 1014.2 0.1
31 09:51 S 17 16.09 Mostly Cloudy FEW050 SCT070 BKN100 22.8 20 84% 76.15 1014.6 0.25
31 08:51 SE 13 16.09 Light Rain FEW055 BKN100 BKN150 22.2 19.4 84% 76.15 1014.9 0.23
31 07:51 S 7 12.87 Thunderstorm Light Rain FEW050CB SCT080 BKN095 OVC130 22.2 18.9 82% 76.2 1015.3 0.03
31 06:51 N 13 16.09 Thunderstorm in Vicinity FEW042 SCT055 OVC110 22.2 18.3 24.4 22.2 79% 76.12 1014.4
31 05:51 SW 17 16.09 Overcast BKN120 OVC190 24.4 17.2 64% 25 76.02 1013.0
31 04:51 S 13 16.09 Overcast FEW130 BKN180 OVC210 23.3 18.3 74% 76.02 1013.0
31 03:51 S 13 16.09 Mostly Cloudy BKN130 BKN150 BKN210 22.8 18.9 79% 76.05 1013.3
31 02:51 S 11 16.09 Mostly Cloudy BKN130 BKN150 BKN230 23.9 18.9 74% 25 76.05 1013.4
31 01:51 S 13 16.09 Overcast FEW110 BKN140 OVC180 24.4 19.4 74% 25 76.07 1013.5
31 00:51 S 9 16.09 Mostly Cloudy FEW160 BKN180 23.9 20 23.9 23.3 79% 24 76.1 1013.8 0.08
30 23:51 SE 11 16.09 Mostly Cloudy BKN150 BKN180 23.3 21.1 88% 76.07 1013.7
30 22:51 S 11 16.09 Overcast SCT110 BKN150 OVC180 23.9 21.1 84% 24 76.07 1013.7 0.05
30 21:51 S 9 16.09 Overcast SCT110 BKN170 OVC250 23.9 21.7 88% 24 76.17 1015.0 0.03 0.03
30 20:51 S 7 16.09 Overcast FEW110 OVC220 23.9 21.7 88% 24 76.17 1015.0
30 19:51 S 9 16.09 Overcast FEW029 SCT110 OVC200 23.3 21.7 91% 76.12 1014.5
30 18:51 S 15 16.09 Light Rain BKN100 OVC130 23.9 21.7 28.3 23.3 88% 24 76.15 1014.6 0.03 0.1
30 17:51 S 11 16.09 Light Rain BKN080 OVC120 23.9 21.1 84% 24 76.2 1015.4
30 16:51 S 11 16.09 Overcast FEW080 BKN110 OVC150 24.4 20.6 79% 25 76.17 1015.1
30 15:51 SW 9 16.09 Light Rain FEW055 SCT080 BKN110 OVC180 24.4 20.6 79% 25 76.2 1015.3 0.08
30 14:51 S 20 14.48 Light Rain FEW050 BKN080 BKN120 OVC200 24.4 21.1 82% 25 76.17 1015.0 0.08
30 13:51 SW 19 16.09 Overcast BKN110 BKN180 OVC250 27.8 18.3 56% 29 76.15 1014.7
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)