Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
19 17:51 Calm 9.00 Overcast SCT060 BKN075 OVC090 70 66 87% 29.93 1013.2
19 16:51 SE 3 10.00 Overcast FEW014 FEW075 BKN090 OVC130 69.1 66 90% 29.91 1012.6
19 15:51 Calm 10.00 Overcast FEW012 SCT025 BKN100 OVC150 70 66 87% 29.94 1013.4
19 14:51 W 5 10.00 Light Rain FEW008 BKN011 OVC140 69.1 64.9 87% 29.96 1014.2
19 13:51 Calm 10.00 Overcast BKN009 BKN110 OVC250 69.1 64.9 87% 29.95 1013.8
19 11:51 N 5 7.00 Overcast OVC006 66 64 93% 29.97 1014.7
19 10:51 S 14 10.00 Overcast SCT004 SCT095 BKN130 OVC250 64.9 63 93% 29.92 1012.8 0.01
19 09:51 SW 6 5.00 Light Rain Fog/Mist FEW075 BKN110 64 62.1 93% 30.02 1016.2 0.08 0.12
19 08:51 NE 3 7.00 Light Rain OVC007 64 62.1 93% 30.01 1015.8 0.02
19 07:51 E 6 10.00 Overcast OVC006 64 62.1 93% 29.99 1015.3 0.02
19 06:51 NE 14 8.00 Light Rain BKN009 BKN031 OVC090 63 62.1 69.1 63 97% 30.02 1016.2 0.18 0.38
19 05:51 NE 12 3.00 Thunderstorm Rain Fog/Mist OVC021CB 63 62.1 97% 30.01 1016.1 0.2
19 04:51 NW 14 G 22 10.00 Thunderstorm OVC018CB 68 60.1 76% 30.02 1016.0
19 03:51 SE 14 G 24 10.00 Overcast OVC019 68 59 73% 29.96 1014.0
19 02:51 SE 10 10.00 Overcast OVC023 68 60.1 76% 29.98 1015.0
19 01:51 E 10 10.00 Mostly Cloudy BKN028 69.1 60.1 73% 30.02 1016.3
19 00:51 SE 13 10.00 Mostly Cloudy BKN030 69.1 60.1 71.1 69.1 73% 30.04 1016.8
18 23:51 E 9 10.00 Overcast OVC029 70 59 68% 30.07 1017.9
18 22:51 E 12 10.00 Mostly Cloudy BKN034 BKN250 71.1 57 61% 30.09 1018.7
18 21:51 E 8 10.00 Mostly Cloudy BKN030 BKN250 70 57.9 66% 30.11 1019.4
18 20:51 E 9 10.00 Overcast BKN030 BKN065 OVC250 70 57.9 66% 30.12 1019.7
18 19:51 E 9 10.00 Overcast SCT028 BKN065 OVC250 69.1 60.1 73% 30.13 1019.9
18 17:51 E 8 10.00 Light Rain BKN030 BKN065 OVC100 70 57 64% 30.14 1020.3
18 16:51 E 12 10.00 Overcast FEW027 BKN120 OVC250 71.1 57 61% 30.14 1020.3
18 15:51 E 12 10.00 Overcast SCT150 BKN170 OVC250 71.1 57.9 63% 30.15 1020.5
18 14:51 E 14 10.00 Overcast SCT110 BKN130 OVC250 69.1 57 66% 30.18 1021.6
18 13:51 NE 10 10.00 Overcast FEW025 OVC100 69.1 55 61% 30.24 1023.7
18 12:51 E 13 10.00 Light Rain FEW025 FEW050 SCT090 BKN130 69.1 55.9 72 64.9 63% 30.26 1024.2
18 11:51 E 10 10.00 Mostly Cloudy FEW023 FEW050 BKN120 BKN150 71.1 54 55% 30.27 1024.8
18 10:51 NE 16 10.00 Mostly Cloudy FEW030 FEW055 SCT120 BKN160 BKN250 71.1 57 61% 30.28 1025.1
18 09:51 NE 16 10.00 Mostly Cloudy FEW030 FEW045 BKN150 BKN250 69.1 54 59% 30.28 1025.2
18 08:51 E 14 10.00 Partly Cloudy FEW030 FEW050 SCT140 SCT250 69.1 55.9 63% 30.27 1024.7
18 07:51 E 12 10.00 A Few Clouds FEW030 FEW050 FEW250 66.9 57.9 73% 30.26 1024.5
18 06:51 NE 9 10.00 A Few Clouds FEW030 FEW050 FEW250 64.9 60.1 68 64.9 84% 30.25 1024.3
18 05:51 NE 9 10.00 A Few Clouds FEW030 FEW250 64.9 60.1 84% 30.24 1023.9
18 04:51 NE 9 10.00 Partly Cloudy SCT030 66 60.1 81% 30.24 1023.6
18 03:51 NE 10 10.00 Mostly Cloudy FEW021 BKN032 66.9 61 81% 30.23 1023.1
18 02:51 NE 6 10.00 Overcast BKN018 OVC032 66 61 84% 30.23 1023.3
18 01:51 NE 9 10.00 Overcast BKN018 OVC032 68 62.1 81% 30.24 1023.4
18 00:51 NE 10 10.00 Overcast BKN015 BKN021 OVC030 68 62.1 68 66.9 81% 30.25 1024.1
17 23:51 NE 14 10.00 Overcast BKN012 BKN018 OVC030 68 63 84% 30.25 1024.0
17 22:51 N 13 10.00 Overcast OVC009 66.9 64 91% 30.24 1023.7
17 21:51 NE 13 10.00 Overcast OVC007 66.9 64 91% 30.24 1023.5
17 20:51 N 13 10.00 Overcast OVC008 68 64.9 90% 30.23 1023.5
17 19:51 NE 13 9.00 Overcast OVC006 68 64.9 90% 30.2 1022.5
17 18:51 N 13 5.00 Fog/Mist OVC005 68 66 80.1 68 93% 30.19 1022.3
17 17:51 N 14 8.00 Overcast OVC006 69.1 66.9 93% 30.19 1022.0
17 16:51 NE 15 10.00 Overcast SCT009 BKN018 OVC040 72 68 87% 30.17 1021.3
17 15:51 N 10 10.00 Overcast BKN017 OVC027 78.1 71.1 79% 80 30.16 1020.8
17 14:51 N 6 10.00 Mostly Cloudy SCT019 BKN035 BKN250 79 72 79% 82 30.17 1021.0
17 13:51 NW 6 10.00 Overcast FEW006 FEW015 BKN027 OVC250 78.1 71.1 79% 80 30.18 1021.7
17 12:51 NW 6 10.00 Mostly Cloudy BKN014 BKN025 BKN150 BKN250 77 71.1 78.1 66.9 82% 79 30.18 1021.8 0.37
17 11:51 W 5 10.00 Overcast BKN008 OVC150 73.9 71.1 91% 30.2 1022.3
17 10:51 SW 6 10.00 Overcast BKN005 BKN045 OVC150 72 70 94% 30.21 1022.8 0.01
17 09:51 Calm 5.00 Light Rain Fog/Mist BKN004 OVC045 70 69.1 97% 30.21 1022.6 0.03 0.36
17 08:51 Calm 2.50 Rain Fog/Mist FEW005 BKN090 OVC110 68 68 100% 30.22 1023.1 0.2
17 07:51 Calm 2.50 Light Rain Fog/Mist SCT008 BKN085 OVC110 66.9 66.9 100% 30.22 1023.2 0.13
17 06:51 Calm 5.00 Thunderstorm Light Rain Fog/Mist FEW008 FEW017 SCT041CB OVC130 66.9 66 66.9 66 97% 30.21 1022.8 0.17 0.34
17 05:51 Calm 3.00 Thunderstorm Heavy Rain Fog/Mist BKN055CB OVC070 66 64.9 96% 30.19 1022.1 0.17
17 04:51 Calm 7.00 Thunderstorm Light Rain FEW006 BKN055CB BKN090 OVC250 66 64.9 96% 30.19 1022.0
17 03:51 N 6 8.00 Overcast FEW006 BKN050 OVC090 66.9 64.9 93% 30.19 1022.1
17 02:51 Calm 9.00 Overcast BKN006 OVC085 66 64 93% 30.21 1022.7
17 01:51 Calm 10.00 Overcast OVC006 66 64 93% 30.22 1023.0
17 00:51 N 6 10.00 Overcast OVC008 66 64 66.9 66 93% 30.23 1023.3
16 23:51 N 6 10.00 Overcast OVC011 66.9 64 91% 30.26 1024.5
16 22:51 N 5 10.00 Overcast OVC012 66.9 64 91% 30.28 1024.9
16 21:51 N 8 10.00 Overcast SCT009 OVC016 66.9 64 91% 30.28 1025.2
16 20:51 NE 8 10.00 Overcast BKN009 OVC020 66.9 64 91% 30.29 1025.6
16 19:51 N 10 10.00 Overcast BKN007 OVC015 66.9 64 91% 30.28 1025.1
16 18:51 NE 13 9.00 Overcast BKN007 OVC013 66.9 64.9 75.9 66.9 93% 30.27 1024.6 0.03
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)