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.
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
30 12:51 SW 20 G 37 16.09 Mostly Cloudy FEW110 BKN180 BKN250 27.8 18.3 27.8 20.6 56% 29 76.1 1013.9 0.18
30 11:51 SW 31 G 44 16.09 Mostly Cloudy FEW110 BKN250 27.2 17.8 57% 28 76.12 1014.3
30 10:51 S 20 16.09 Mostly Cloudy FEW080 SCT110 BKN250 25.6 18.9 67% 27 76.12 1014.5
30 09:51 S 19 G 33 16.09 Mostly Cloudy FEW080 BKN110 BKN250 22.2 18.9 82% 76.12 1014.4 0.18
30 08:51 S 24 G 37 16.09 Mostly Cloudy FEW050 FEW080 BKN110 BKN150 21.1 18.3 84% 76.15 1014.7 0.1
30 07:51 SW 17 14.48 Light Rain FEW060 FEW120 OVC150 20.6 18.3 87% 76.23 1015.9 0.08
30 06:51 SW 17 16.09 Overcast FEW060 FEW110 OVC150 21.7 17.2 23.9 21.7 76% 76.2 1015.3
30 05:51 SW 15 16.09 Light Rain BKN110 OVC150 22.2 16.1 68% 76.12 1014.6
30 04:51 S 15 16.09 Overcast BKN110 OVC140 22.2 15.6 66% 76.12 1014.3
30 03:51 S 15 16.09 Light Rain FEW070 SCT120 BKN140 OVC180 22.2 15.6 66% 76.12 1014.4
30 02:51 S 13 16.09 Mostly Cloudy FEW120 SCT140 BKN210 22.8 14.4 59% 76.15 1014.8
30 01:51 S 19 16.09 Overcast BKN120 OVC150 23.3 15 60% 76.15 1014.7
30 00:51 S 17 16.09 Mostly Cloudy FEW120 BKN160 BKN250 23.9 15 24.4 23.3 58% 25 76.2 1015.2
29 23:51 S 20 G 31 16.09 Mostly Cloudy SCT110 BKN170 BKN220 23.3 15.6 62% 76.2 1015.4
29 22:51 S 22 G 33 16.09 Mostly Cloudy SCT170 BKN220 23.3 16.1 64% 76.23 1015.8
29 21:51 S 19 16.09 Partly Cloudy FEW110 SCT150 SCT180 23.3 16.7 67% 76.25 1016.0
29 20:51 S 17 16.09 Mostly Cloudy SCT110 BKN150 BKN180 23.9 17.2 66% 25 76.25 1016.1
29 19:51 S 15 16.09 Mostly Cloudy BKN110 BKN170 BKN250 24.4 17.2 64% 25 76.25 1016.1
29 18:51 S 15 16.09 Mostly Cloudy FEW070 BKN110 BKN150 BKN250 24.4 16.7 27.2 24.4 62% 25 76.23 1015.9
29 17:51 S 15 16.09 Light Rain FEW060 SCT090 BKN130 OVC250 25 16.7 60% 26 76.25 1016.3
29 16:51 S 11 16.09 Mostly Cloudy FEW050 BKN130 BKN250 26.1 15.6 52% 27 76.3 1016.9
29 15:51 S 19 G 37 16.09 Mostly Cloudy FEW050 BKN140 BKN250 26.7 16.1 52% 27 76.33 1017.0
29 14:51 SW 15 16.09 Overcast FEW050 SCT130 BKN160 OVC250 26.7 16.7 54% 27 76.4 1018.2
29 13:51 SW 19 16.09 Overcast FEW090 BKN170 OVC250 26.7 16.1 52% 27 76.45 1018.9
29 12:51 SW 19 16.09 Overcast FEW090 SCT200 OVC250 25.6 15.6 26.1 18.9 54% 26 76.48 1019.3
29 11:51 SW 17 16.09 Overcast FEW085 SCT200 OVC250 25.6 15.6 54% 26 76.53 1020.0
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)