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.
13 12:51 SW 20 16.09 Overcast OVC025 22.2 17.2 22.2 17.8 73% 75.97 1012.6
13 11:51 SW 22 G 33 16.09 Overcast SCT016 OVC027 21.7 17.8 79% 75.97 1012.7
13 10:51 SW 15 16.09 Overcast BKN011 OVC027 20 17.2 84% 76.02 1013.2
13 09:51 SW 17 16.09 Overcast BKN008 OVC015 18.9 16.7 87% 76.02 1013.3
13 08:51 SW 13 12.87 Overcast BKN009 OVC027 17.8 16.7 93% 75.97 1012.8
13 07:51 SW 17 12.87 Light Drizzle BKN010 BKN024 OVC030 17.8 16.7 93% 75.95 1012.4
13 06:51 SW 17 16.09 Overcast FEW013 BKN022 OVC035 18.3 16.1 18.3 16.7 87% 75.9 1011.4 0.03
13 05:51 SW 24 G 37 16.09 Overcast SCT011 BKN015 OVC032 18.3 16.1 87% 75.82 1010.5
13 04:51 SW 24 G 37 16.09 Overcast OVC012 18.3 16.1 87% 75.79 1010.0
13 03:51 SW 24 G 37 16.09 Overcast OVC010 17.8 16.1 90% 75.72 1009.0 0.03
13 02:51 SW 20 16.09 Overcast OVC012 17.2 15.6 90% 75.67 1008.5
13 01:51 SW 20 16.09 Overcast OVC009 16.7 15.6 93% 75.67 1008.5 0.03
13 00:51 SW 24 G 50 16.09 Overcast BKN009 BKN014 OVC030 16.7 15 23.9 16.1 90% 75.69 1008.6 0.05 0.33
12 23:51 SW 19 11.27 Light Rain BKN019 BKN027 OVC050 16.1 15 93% 75.64 1007.9 0.08
12 22:51 S 11 9.66 Light Rain Fog/Mist FEW014 BKN036 OVC055 16.7 15 90% 75.67 1008.5 0.1
12 21:51 S 17 G 41 9.66 Light Rain Fog/Mist SCT042 BKN049 OVC060 17.2 15 87% 75.72 1009.1 0.05 0.1
12 20:51 SW 19 G 41 11.27 Light Rain BKN043 OVC055 17.8 14.4 81% 75.72 1009.2 0.05
12 19:51 S 24 G 50 16.09 Light Rain FEW060 SCT075 OVC100 21.1 12.8 59% 75.69 1008.8
12 18:51 S 41 G 69 16.09 Light Rain and Breezy SCT060 OVC100 23.9 11.7 27.2 23.9 46% 25 75.69 1008.7
12 17:51 S 41 G 67 16.09 Overcast and Breezy SCT065 SCT100 BKN160 OVC250 25.6 11.1 40% 26 75.67 1008.3
12 16:51 S 48 G 67 16.09 Mostly Cloudy and Windy SCT065 BKN100 BKN220 BKN250 26.1 11.1 39% 26 75.72 1008.9
12 15:51 SW 26 G 65 16.09 Mostly Cloudy SCT065 SCT100 BKN150 BKN250 26.1 11.7 41% 26 75.74 1009.4
12 14:51 SW 39 G 63 16.09 Mostly Cloudy and Breezy SCT060 BKN100 BKN150 BKN250 26.1 12.8 44% 26 75.79 1010.2
12 13:51 SW 41 G 61 16.09 Mostly Cloudy and Breezy FEW055 SCT070 SCT090 BKN140 BKN250 26.1 13.3 45% 26 75.87 1011.2
12 12:51 SW 33 G 63 16.09 Mostly Cloudy and Breezy FEW050 BKN060 BKN140 25.6 13.9 25.6 15.6 48% 26 75.92 1012.0
12 11:51 SW 31 G 61 16.09 Mostly Cloudy FEW070 FEW140 BKN250 25 13.3 48% 26 76 1012.7
12 10:51 S 30 G 43 16.09 Mostly Cloudy BKN120 BKN250 22.2 13.9 59% 76.05 1013.7
12 09:51 S 28 G 56 16.09 Mostly Cloudy SCT120 BKN250 20.6 12.8 61% 76.07 1014.3
12 08:51 S 24 G 41 16.09 Overcast SCT060 BKN140 OVC250 18.3 11.7 66% 76.15 1015.2
12 07:51 S 19 G 43 16.09 Mostly Cloudy FEW070 SCT110 BKN250 16.7 11.1 70% 76.17 1015.7
12 06:51 S 24 16.09 Mostly Cloudy SCT110 BKN250 15.6 10.6 15.6 13.3 72% 76.2 1015.8
12 05:51 S 20 G 39 16.09 Mostly Cloudy FEW120 BKN250 15 9.4 69% 76.17 1015.7
12 04:51 S 22 G 41 16.09 Overcast FEW120 BKN130 OVC250 15.6 8.9 65% 76.25 1016.5
12 03:51 S 19 16.09 Overcast SCT120 BKN140 OVC250 14.4 6.1 58% 76.3 1017.2
12 02:51 S 15 16.09 Mostly Cloudy SCT110 BKN250 13.9 5 55% 76.35 1018.1
12 01:51 S 15 16.09 Overcast FEW110 SCT130 OVC250 13.3 4.4 55% 76.43 1019.1
12 00:51 SE 15 16.09 Overcast BKN100 OVC130 13.3 5 13.3 8.9 57% 76.5 1019.9
11 23:51 SE 15 16.09 Overcast BKN085 OVC110 11.7 5 64% 76.56 1020.8
11 22:51 SE 11 16.09 Overcast SCT049 OVC090 11.1 3.9 61% 76.61 1021.6
11 21:51 SE 7 16.09 Overcast FEW055 BKN070 OVC095 9.4 2.2 61% 9 76.66 1022.2
11 20:51 E 11 16.09 Overcast SCT055 BKN070 OVC090 8.9 0.6 56% 7 76.71 1023.0
11 19:51 E 13 16.09 Overcast BKN055 BKN140 OVC250 9.4 0 52% 8 76.78 1023.9
11 18:51 E 17 16.09 Overcast BKN070 BKN120 BKN180 OVC250 10.6 1.1 12.8 10.6 52% 76.81 1024.3
11 17:51 E 15 16.09 Overcast BKN110 BKN180 OVC250 11.7 1.7 51% 76.89 1025.5
11 16:51 SE 13 16.09 Overcast SCT110 BKN210 OVC250 12.2 2.8 53% 76.94 1026.2
11 15:51 SE 15 16.09 Overcast FEW110 OVC250 12.8 2.8 51% 76.96 1026.4
11 14:51 SE 9 16.09 Overcast SCT110 OVC250 12.2 2.8 53% 77.04 1027.4
11 13:51 E 20 16.09 Mostly Cloudy BKN100 BKN250 12.2 2.2 51% 77.11 1028.4
11 12:51 E 19 16.09 Mostly Cloudy FEW100 SCT160 BKN250 11.7 -1.1 11.7 2.8 41% 77.17 1029.1
11 11:51 E 17 16.09 Mostly Cloudy FEW045 FEW100 FEW150 BKN250 11.1 -3.9 35% 77.24 1030.3
11 10:51 SE 26 16.09 Mostly Cloudy FEW100 SCT150 BKN250 10.6 -3.3 38% 77.29 1031.0
11 09:51 SE 13 16.09 Partly Cloudy FEW100 SCT250 10 -0.6 48% 8 77.34 1031.4
11 08:51 E 13 16.09 A Few Clouds FEW100 FEW250 8.3 -0.6 54% 6 77.27 1030.7
11 07:51 E 6 16.09 A Few Clouds FEW100 FEW250 5.6 1.7 76% 77.27 1030.4
11 06:51 Calm 16.09 A Few Clouds FEW060 2.8 0.6 3.9 1.7 86% 77.27 1030.7
11 05:51 Calm 16.09 Fair CLR 1.7 0 89% 77.24 1030.3
11 04:51 Calm 16.09 Fair CLR 2.8 0.6 86% 77.22 1029.8
11 03:51 Calm 16.09 Fair CLR 2.8 0.6 86% 77.19 1029.4
11 02:51 Calm 16.09 Fair CLR 2.2 0.6 89% 77.17 1029.3
11 01:51 E 6 16.09 Fair CLR 3.3 0.6 83% 77.17 1029.0
11 00:51 Calm 16.09 Fair CLR 3.3 0.6 8.3 3.3 83% 77.17 1029.0
10 23:51 NE 7 16.09 Fair CLR 3.9 0.6 79% 2 77.14 1028.7
10 22:51 E 7 16.09 Fair CLR 4.4 0.6 77% 3 77.17 1029.0
10 21:51 E 7 16.09 Fair CLR 4.4 0.6 77% 3 77.17 1029.3
10 20:51 E 11 16.09 A Few Clouds FEW045 5 0.6 73% 3 77.14 1028.9
10 19:51 E 15 16.09 Partly Cloudy FEW047 SCT050 6.7 4.4 85% 4 77.06 1028.0
10 18:51 NE 20 16.09 Mostly Cloudy SCT039 BKN050 8.3 4.4 12.2 8.3 77% 5 77.04 1027.4
10 17:51 N 20 16.09 Mostly Cloudy SCT035 BKN046 12.2 3.9 57% 76.96 1026.3
10 16:51 NW 11 16.09 Mostly Cloudy SCT029 BKN041 BKN055 11.7 4.4 61% 76.94 1026.1
10 15:51 NW 11 16.09 Mostly Cloudy BKN024 BKN035 10.6 5 69% 76.94 1026.0
10 14:51 W 11 16.09 Overcast OVC020 10 5.6 74% 9 76.94 1026.0
10 13:51 N 13 16.09 Overcast OVC021 9.4 5 74% 8 76.91 1025.5
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)