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.
28 17:51 SW 22 G 37 16.09 Mostly Cloudy BKN120 BKN250 8.9 -6.1 34% 6 77.14 1028.9
28 16:51 SW 26 G 37 16.09 Mostly Cloudy BKN120 BKN250 8.3 -7.2 33% 5 77.22 1030.1
28 15:51 SW 22 16.09 Partly Cloudy FEW120 FEW170 SCT250 8.3 -7.2 33% 5 77.29 1031.1
28 14:51 SW 20 G 31 16.09 Partly Cloudy FEW170 SCT250 7.2 -7.8 34% 4 77.44 1033.0
28 13:51 SW 20 G 33 16.09 Partly Cloudy FEW180 SCT250 6.1 -8.9 34% 3 77.52 1034.2
28 12:51 SW 11 G 31 16.09 Mostly Cloudy SCT170 BKN250 5 -10 5 -3.9 33% 3 77.65 1035.9
28 11:51 SW 15 16.09 Mostly Cloudy BKN170 BKN250 3.3 -11.1 34% 0 77.72 1036.9
28 10:51 SW 9 16.09 A Few Clouds FEW250 1.7 -11.1 38% -1 77.77 1037.5
28 09:51 S 6 16.09 A Few Clouds FEW250 0 -11.1 43% 77.83 1038.3
28 08:51 S 6 16.09 A Few Clouds FEW025 FEW250 -1.1 -11.1 47% 77.83 1038.3
28 07:51 W 7 16.09 A Few Clouds FEW025 FEW250 -1.7 -10 54% -4 77.85 1038.6
28 06:51 N 11 16.09 A Few Clouds FEW025 FEW250 -3.3 -11.1 -1.1 -4.4 55% -7 77.75 1037.3
28 05:51 N 9 16.09 Fair CLR -3.3 -11.1 55% -7 77.7 1036.6
28 04:51 N 11 16.09 Fair CLR -3.9 -10.6 60% -8 77.75 1037.2
28 03:51 N 13 16.09 Fair CLR -2.2 -10.6 53% -6 77.75 1037.2
28 02:51 N 17 16.09 Fair CLR -2.2 -9.4 58% -7 77.7 1036.7
28 00:51 N 11 16.09 Fair CLR -1.1 -5 6.1 -1.1 75% -5 77.67 1036.2
27 23:51 NE 11 16.09 A Few Clouds FEW065 0.6 -4.4 70% -2 77.57 1035.0
27 22:51 N 13 16.09 Partly Cloudy SCT070 1.1 -3.9 70% -2 77.52 1034.3
27 21:51 NE 7 16.09 Mostly Cloudy BKN070 2.2 -3.9 64% 0 77.44 1033.2
27 20:51 SE 6 16.09 Mostly Cloudy BKN075 2.2 -3.9 64% 77.37 1032.3
27 19:51 E 11 16.09 Mostly Cloudy BKN080 2.8 -4.4 59% 0 77.29 1031.0
27 18:51 NW 22 G 33 16.09 Mostly Cloudy BKN075 6.1 -8.9 7.8 4.4 34% 3 77.22 1030.2
27 17:51 N 26 G 39 16.09 Mostly Cloudy BKN065 6.7 -8.3 34% 3 77.17 1029.5
27 16:51 NW 24 G 37 16.09 Mostly Cloudy BKN060 6.7 -8.3 34% 3 77.17 1029.2
27 15:51 NW 26 G 39 16.09 Mostly Cloudy BKN055 6.7 -7.2 37% 3 77.17 1029.3
27 14:51 NW 20 G 41 16.09 Mostly Cloudy BKN050 6.7 -6.7 38% 3 77.17 1029.5
27 12:51 NW 20 G 37 16.09 A Few Clouds FEW036 5 -6.7 5 -0.6 43% 1 77.19 1029.6
27 11:51 N 15 16.09 A Few Clouds FEW032 3.3 -6.1 51% 0 77.22 1030.0
27 10:51 N 22 G 31 16.09 Partly Cloudy SCT028 1.7 -5.6 59% -3 77.24 1030.6
27 09:51 N 28 G 41 16.09 Mostly Cloudy BKN026 1.1 -6.1 59% -4 77.22 1030.2
27 08:51 NE 22 16.09 Mostly Cloudy BKN024 0.6 -5.6 64% -4 77.14 1029.2
27 07:51 N 20 16.09 Mostly Cloudy BKN023 0 -5.6 66% -5 77.14 1029.0
27 06:51 N 28 16.09 Mostly Cloudy BKN023 BKN210 0 -5.6 0 -0.6 66% -6 77.04 1027.8
27 05:51 N 31 16.09 Mostly Cloudy SCT023 BKN200 0 -5 69% -6 76.96 1026.6
27 04:51 N 35 G 52 16.09 Mostly Cloudy and Breezy SCT020 BKN200 0 -4.4 73% -7 76.91 1025.9
27 03:51 NE 37 G 56 16.09 Mostly Cloudy and Breezy BKN020 0 -4.4 73% -7 76.81 1024.5
27 02:51 NE 44 G 57 16.09 Overcast and Windy OVC020 0 -4.4 73% -7 76.73 1023.4
27 01:51 N 39 G 69 16.09 Overcast and Breezy OVC017 0 -3.9 75% -7 76.73 1023.5
27 00:51 N 43 G 61 16.09 Overcast and Windy OVC015 0 -3.3 5 0 79% -7 76.71 1022.9 0.13
26 23:51 NE 41 G 65 16.09 Overcast and Breezy OVC018 0.6 -3.3 75% -6 76.63 1021.9
26 22:51 N 48 G 70 16.09 Overcast and Windy BKN020 BKN080 OVC100 1.1 -3.3 73% -6 76.45 1019.6
26 21:51 N 52 G 67 16.09 Overcast and Windy SCT020 OVC070 1.7 -2.2 76% -5 76.4 1018.8 0.13
26 20:51 N 52 G 74 16.09 Light Rain and Windy BKN012 OVC055 2.2 -0.6 82% -5 76.3 1017.4 0.03
26 19:51 N 41 G 54 12.87 Light Rain and Breezy BKN009 BKN030 OVC095 3.3 1.7 89% -3 76.12 1015.0 0.1
26 18:51 NE 39 G 67 6.44 Light Rain Fog/Mist and Breezy BKN007 BKN012 OVC045 5 3.9 13.3 5 93% -0 75.9 1012.1 0.23 0.33
26 17:51 N 46 G 56 4.83 Thunderstorm Light Rain Fog/Mist and Windy SCT012 BKN045CB OVC055 8.3 6.7 90% 4 75.82 1010.9 0.1
26 16:51 N 30 14.48 Thunderstorm Light Rain OVC043CB 9.4 6.7 83% 6 75.82 1010.9
26 15:51 N 44 G 67 16.09 Light Rain and Windy BKN043 OVC140 10 5.6 74% 6 75.72 1009.6
26 14:51 NE 39 G 59 16.09 Light Rain and Breezy BKN043 BKN140 OVC250 10.6 5 69% 75.49 1006.5
26 13:51 NE 39 G 61 16.09 Overcast and Breezy BKN038 BKN140 OVC250 12.2 3.9 57% 75.59 1007.7
26 12:51 N 46 G 67 16.09 Overcast and Windy FEW028 BKN038 BKN140 OVC250 13.3 3.3 22.2 11.7 51% 75.62 1008.2
26 11:51 N 44 12.87 Mostly Cloudy and Windy SCT032 SCT140 BKN300 15 6.7 58% 75.54 1007.1
26 10:51 SW 9 16.09 Mostly Cloudy BKN140 19.4 12.2 63% 75.39 1004.9
26 09:51 SW 13 16.09 Mostly Cloudy BKN160 18.3 12.2 68% 75.39 1004.9
26 08:51 SW 9 16.09 Mostly Cloudy BKN170 BKN300 16.7 12.2 75% 75.49 1006.1
26 07:51 W 9 16.09 Mostly Cloudy BKN150 BKN300 15.6 11.7 78% 75.57 1007.1
26 06:51 S 7 14.48 A Few Clouds FEW150 FEW300 11.7 8.9 14.4 10.6 83% 75.46 1006.1
26 05:51 S 6 16.09 A Few Clouds FEW250 11.7 8.3 80% 75.41 1005.3
26 04:51 Calm 16.09 A Few Clouds FEW250 11.1 7.2 77% 75.49 1006.3
26 03:51 Calm 16.09 Partly Cloudy SCT250 12.2 6.7 69% 75.54 1006.9
26 02:51 S 9 16.09 Mostly Cloudy FEW150 BKN250 13.3 7.2 67% 75.59 1007.5
26 01:51 Calm 16.09 Partly Cloudy FEW150 SCT250 11.7 5.6 66% 75.67 1008.8
26 00:51 Calm 16.09 Mostly Cloudy BKN250 14.4 6.1 20.6 14.4 58% 75.67 1008.8
25 23:51 SW 11 16.09 Mostly Cloudy FEW150 BKN250 15.6 6.1 53% 75.69 1009.2
25 22:51 SW 15 16.09 Overcast FEW150 OVC250 16.7 6.1 50% 75.74 1009.7
25 21:51 SW 17 16.09 Overcast FEW120 OVC250 17.8 6.1 46% 75.72 1009.5
25 20:51 SW 15 16.09 Overcast FEW120 OVC250 18.9 6.1 43% 75.72 1009.5
25 19:51 SW 17 16.09 Overcast FEW120 OVC250 20 5.6 39% 75.67 1008.9
25 18:51 SW 19 16.09 Overcast FEW130 OVC250 20.6 3.9 21.7 17.2 33% 75.67 1008.9
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)