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.
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
10 12:51 N 9 16.09 Overcast OVC017 9.4 5.6 9.4 6.1 77% 8 76.86 1025.1 0.03
10 11:51 N 17 16.09 Overcast BKN015 OVC023 8.9 5.6 80% 7 76.84 1024.5
10 10:51 N 22 16.09 Overcast OVC010 7.8 5 83% 5 76.81 1024.1
10 09:51 N 20 16.09 Overcast OVC007 7.8 5.6 86% 5 76.73 1023.3 0.03
10 08:51 N 15 4.83 Light Rain Fog/Mist BKN007 OVC021 7.2 5.6 90% 5 76.66 1022.1
10 07:51 N 20 8.05 Light Drizzle Fog/Mist OVC006 6.7 5.6 93% 3 76.63 1021.7 0.03
10 06:51 N 20 4.83 Light Rain Fog/Mist OVC004 6.1 5.6 7.2 6.1 97% 3 76.56 1020.8 0.81
10 05:51 N 15 11.27 Overcast OVC005 7.2 6.1 93% 5 76.45 1019.3
10 04:51 NE 13 11.27 Overcast OVC005 7.2 6.1 93% 5 76.4 1018.7 0.03
10 03:51 E 15 6.44 Light Rain Fog/Mist SCT005 BKN041 OVC050 6.7 5.6 93% 4 76.38 1018.3 0.56 0.79
10 02:51 E 11 8.05 Light Rain Fog/Mist OVC065 6.1 5 93% 4 76.43 1019.1 0.23
10 01:51 N 22 16.09 Light Rain OVC080 6.7 3.9 83% 3 76.5 1020.1
10 00:51 N 24 16.09 Light Rain OVC085 7.2 3.3 18.3 7.2 77% 4 76.5 1020.0
09 23:51 N 20 16.09 Overcast SCT110 OVC150 9.4 3.9 69% 7 76.43 1019.1
09 22:51 N 17 16.09 Overcast SCT085 OVC110 11.1 5 66% 76.48 1019.6
09 21:51 W 7 16.09 Overcast FEW065 BKN080 OVC120 15 7.8 62% 76.5 1019.8
09 20:51 N 6 16.09 Overcast BKN085 OVC100 14.4 7.2 62% 76.45 1019.3
09 19:51 NW 13 16.09 Overcast BKN100 OVC250 14.4 7.8 65% 76.48 1019.7
09 18:51 NW 19 16.09 Light Rain BKN075 OVC250 18.3 6.1 21.1 18.3 45% 76.53 1020.4 0.03 0.03
09 17:51 W 13 16.09 Overcast BKN075 OVC250 20 4.4 36% 76.48 1019.6
09 16:51 SW 15 16.09 Overcast BKN075 OVC250 20.6 3.9 33% 76.48 1019.4
09 15:51 SW 13 G 35 16.09 Overcast FEW085 OVC250 21.1 3.9 32% 76.45 1019.1
09 14:51 W 26 G 33 16.09 Mostly Cloudy SCT085 BKN250 20.6 2.8 31% 76.5 1019.8
09 13:51 SW 13 16.09 Mostly Cloudy FEW085 BKN250 20 3.3 33% 76.5 1019.8
09 12:51 W 20 G 31 16.09 Partly Cloudy FEW110 SCT250 20 1.7 20 12.8 30% 76.56 1020.3
09 11:51 W 13 G 33 16.09 Partly Cloudy FEW070 FEW110 SCT250 18.3 1.7 33% 76.56 1020.6
09 10:51 W 15 16.09 Partly Cloudy SCT110 SCT250 17.8 1.1 33% 76.56 1020.6
09 09:51 SW 13 16.09 Partly Cloudy FEW100 SCT140 16.1 2.2 39% 76.5 1020.0
09 08:51 SW 11 16.09 Mostly Cloudy SCT100 BKN130 14.4 5.6 56% 76.5 1019.8
09 07:51 SW 11 16.09 Mostly Cloudy BKN085 BKN110 12.8 7.2 69% 76.48 1019.6
09 06:51 S 6 16.09 Mostly Cloudy BKN100 BKN150 12.8 6.7 18.3 12.8 67% 76.43 1018.6
09 05:51 SW 6 16.09 Overcast BKN100 OVC120 13.3 7.2 67% 76.38 1018.0
09 04:51 W 13 16.09 Overcast BKN090 OVC110 14.4 6.7 60% 76.3 1017.0
09 03:51 SW 26 G 41 16.09 Overcast FEW075 BKN100 OVC120 15.6 6.1 53% 76.23 1015.8
09 02:51 S 28 G 44 16.09 Overcast OVC090 16.1 5.6 50% 76.12 1014.8
09 01:51 S 33 G 59 16.09 Overcast and Breezy SCT055 BKN075 OVC090 16.1 5.6 50% 76.2 1015.8
09 00:51 S 28 G 44 16.09 Overcast OVC095 17.8 3.9 21.1 17.2 40% 76.17 1015.4
08 23:51 S 30 G 50 16.09 Mostly Cloudy BKN110 BKN220 17.2 3.9 41% 76.17 1015.6
08 22:51 S 33 G 50 16.09 Mostly Cloudy and Breezy BKN220 17.2 3.9 41% 76.2 1015.8
08 21:51 S 30 G 50 16.09 Mostly Cloudy SCT170 BKN250 17.8 3.9 40% 76.2 1015.9
08 20:51 S 28 G 43 16.09 Mostly Cloudy FEW150 BKN250 19.4 3.9 36% 76.2 1016.0
08 19:51 S 22 G 41 16.09 Mostly Cloudy FEW080 FEW150 BKN250 20 3.3 33% 76.17 1015.7
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)