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.
14 09:51 E 13 14.48 Overcast FEW017 BKN060 OVC100 24.4 20.6 79% 25 76.43 1018.5
14 08:51 E 9 12.87 Overcast FEW012 BKN060 OVC250 23.9 20.6 82% 24 76.38 1018.0
14 07:51 NE 13 9.66 Fog/Mist FEW008 FEW060 SCT110 OVC250 23.3 21.1 88% 76.35 1017.7
14 06:51 E 11 4.83 Fog/Mist FEW009 FEW110 BKN250 22.2 21.1 22.2 21.1 94% 76.33 1017.3
14 05:51 NE 7 4.83 Fog/Mist FEW027 SCT095 BKN250 21.7 20.6 94% 76.28 1016.6
14 04:51 E 6 8.05 Fog/Mist FEW080 SCT110 OVC250 21.7 20.6 94% 76.25 1016.2
14 03:51 E 13 9.66 Fog/Mist SCT080 OVC110 21.7 21.1 96% 76.2 1015.6
14 02:51 E 9 9.66 Fog/Mist SCT033 BKN080 OVC120 21.1 20.6 97% 76.17 1015.2
14 01:51 E 9 11.27 Overcast FEW012 BKN027 OVC080 21.7 20 90% 76.23 1015.7
14 00:51 NE 13 12.87 Mostly Cloudy FEW021 SCT100 BKN220 21.7 19.4 21.7 20.6 87% 76.17 1015.2 0.23
13 23:51 N 15 11.27 Overcast BKN095 OVC220 21.1 18.9 87% 76.2 1015.3
13 22:51 SE 7 11.27 Overcast OVC095 21.1 18.9 87% 76.2 1015.4
13 21:51 E 7 11.27 Light Rain OVC095 21.1 18.9 87% 76.2 1015.5 0.05 0.23
13 20:51 E 7 11.27 Overcast FEW075 OVC100 20.6 18.3 87% 76.23 1015.8 0.03
13 19:51 E 13 9.66 Fog/Mist FEW040 BKN100 BKN250 20.6 18.3 87% 76.15 1014.9 0.15
13 18:51 E 17 9.66 Light Rain Fog/Mist FEW015 SCT065 OVC095 21.7 18.9 23.9 21.7 84% 76.15 1015.0 0.36
13 17:51 NE 19 G 31 12.87 Overcast FEW015 SCT033 OVC095 22.2 19.4 84% 76.1 1014.3 0.15
13 16:51 E 19 6.44 Fog/Mist SCT009 BKN045 OVC100 22.8 21.1 90% 76 1012.7 0.13
13 15:51 NE 28 6.44 Light Rain Fog/Mist SCT009 OVC120 23.3 21.7 91% 75.95 1011.9 0.08
13 14:51 E 15 9.66 Light Rain Fog/Mist SCT020 BKN060 OVC120 23.9 21.7 88% 24 76.05 1013.5 0.05
13 13:51 N 6 11.27 Thunderstorm Light Rain BKN020 BKN038CB BKN075 OVC140 23.9 21.1 84% 24 76.23 1015.6 0.03
13 12:51 Calm 12.87 Overcast SCT028 BKN150 OVC200 25 20.6 25.6 22.2 77% 26 76.17 1015.1
13 11:51 E 6 14.48 Overcast BKN021 BKN028 OVC200 25 21.1 79% 26 76.12 1014.5
13 10:51 E 9 16.09 Overcast SCT019 BKN200 OVC250 25.6 20.6 74% 27 76.07 1013.6
13 09:51 E 11 16.09 Overcast SCT013 BKN200 OVC250 25 21.1 79% 26 76.02 1013.1
13 08:51 E 11 12.87 Overcast SCT013 BKN200 OVC250 23.9 20.6 82% 24 76.07 1013.5
13 07:51 E 13 9.66 Fog/Mist BKN011 BKN200 BKN250 22.8 20.6 87% 76.05 1013.3
13 06:51 SE 9 4.83 Fog/Mist BKN009 BKN200 BKN250 22.2 21.1 22.8 21.1 94% 75.97 1012.5
13 05:51 NE 7 3.22 Fog/Mist FEW006 BKN200 21.7 20.6 94% 75.95 1012.2
13 04:51 NE 6 4.83 Fog/Mist FEW250 21.7 20.6 94% 75.92 1011.6
13 02:51 N 7 8.05 Fog/Mist CLR 21.1 20.6 97% 75.9 1011.5
13 01:51 N 7 11.27 A Few Clouds FEW030 FEW250 21.7 20.6 94% 75.9 1011.5
13 00:51 SW 6 16.09 Fair CLR 22.8 20.6 26.1 22.2 87% 75.9 1011.2
12 23:51 Calm 16.09 A Few Clouds FEW030 23.3 20.6 85% 75.9 1011.4
12 22:51 Calm 16.09 Mostly Cloudy BKN030 BKN050 24.4 20.6 79% 25 75.9 1011.5
12 21:51 N 9 16.09 Mostly Cloudy BKN035 25 20 74% 26 75.9 1011.4
12 20:51 N 9 16.09 Mostly Cloudy BKN038 25.6 20.6 74% 27 75.82 1010.2
12 19:51 E 11 16.09 Mostly Cloudy BKN038 25.6 21.1 76% 27 75.74 1009.4
12 18:51 E 11 16.09 Mostly Cloudy BKN039 26.1 21.1 28.9 24.4 74% 28 75.74 1009.2
12 17:51 E 17 16.09 Mostly Cloudy BKN038 BKN250 27.2 21.7 72% 29 75.69 1008.4
12 16:51 W 6 16.09 Mostly Cloudy SCT027 BKN250 28.3 19.4 59% 30 75.67 1008.2
12 15:51 W 11 16.09 Overcast FEW027 OVC250 27.8 20 63% 29 75.67 1008.1
12 14:51 W 22 16.09 Overcast FEW030 FEW070 OVC250 27.2 19.4 62% 29 75.69 1008.6
12 13:51 W 15 16.09 Mostly Cloudy FEW030 SCT075 BKN160 BKN250 26.7 20 67% 28 75.77 1009.4
12 12:51 W 13 16.09 Mostly Cloudy FEW033 FEW060 BKN170 BKN250 24.4 20 24.4 21.7 77% 25 75.77 1009.8
12 11:51 W 15 16.09 Overcast FEW033 SCT060 BKN190 OVC250 22.2 19.4 84% 75.82 1010.4
12 10:51 SW 17 16.09 Thunderstorm FEW019 BKN033CB BKN060 BKN180 OVC250 21.7 19.4 87% 75.79 1010.2
12 09:51 Calm 16.09 Overcast FEW020 SCT034 SCT060 OVC190 23.3 21.1 88% 75.74 1009.4
12 08:51 Calm 16.09 Overcast FEW013 BKN040 BKN060 OVC250 23.9 21.1 84% 24 75.77 1009.6
12 07:51 Calm 16.09 Mostly Cloudy FEW023 SCT055 BKN250 23.3 20.6 85% 75.72 1009.1
12 06:51 Calm 16.09 Mostly Cloudy SCT023 SCT031 BKN190 BKN250 22.2 20.6 22.8 22.2 91% 75.69 1008.5
12 04:51 SE 6 16.09 Mostly Cloudy SCT024 BKN044 BKN250 22.2 20 87% 75.72 1008.8
12 03:51 Calm 16.09 Mostly Cloudy FEW025 BKN044 22.2 20 87% 75.74 1009.2
12 02:51 Calm 16.09 Mostly Cloudy SCT025 BKN036 22.2 20 87% 75.72 1009.1
12 01:51 SE 7 16.09 Mostly Cloudy BKN025 BKN036 22.8 20.6 87% 75.77 1009.6
12 00:51 S 7 16.09 Mostly Cloudy BKN030 22.8 21.1 26.1 22.8 90% 75.82 1010.3
11 23:51 S 9 16.09 Partly Cloudy FEW035 SCT100 22.8 21.1 90% 75.87 1011.0
11 22:51 S 7 16.09 Partly Cloudy SCT100 23.3 21.1 88% 75.9 1011.2
11 21:51 Calm 16.09 Partly Cloudy SCT100 23.9 21.1 84% 24 75.9 1011.2
11 20:51 Calm 16.09 Partly Cloudy SCT130 25 21.1 79% 26 75.87 1010.9
11 19:51 Calm 16.09 Partly Cloudy SCT120 25.6 21.1 76% 27 75.87 1011.0
11 18:51 S 11 16.09 A Few Clouds FEW027 FEW120 FEW250 26.1 20.6 27.2 21.7 72% 28 75.9 1011.3
11 17:51 S 11 16.09 Mostly Cloudy SCT026 BKN110 BKN250 26.1 21.7 77% 28 75.9 1011.4
11 16:51 Vrbl 7 16.09 Mostly Cloudy SCT021 BKN250 27.2 21.7 72% 29 75.9 1011.2
11 15:51 Vrbl 7 16.09 Mostly Cloudy SCT020 BKN250 26.7 21.7 74% 29 75.92 1011.6
11 14:51 N 7 16.09 Mostly Cloudy FEW020 FEW030 FEW050 BKN250 25 20.6 77% 26 75.9 1011.4
11 13:51 S 11 16.09 Overcast FEW020 SCT140 SCT190 OVC250 23.9 21.1 84% 24 75.84 1010.6
11 12:51 NE 22 16.09 Light Rain FEW043 SCT060 BKN100 OVC250 21.7 20.6 25 20.6 94% 75.95 1012.1 0.08 1.19
11 11:51 N 20 14.48 Light Rain FEW050 SCT100 BKN120 OVC140 20.6 19.4 93% 75.97 1012.4 1.09
11 10:51 W 31 G 48 11.27 Thunderstorm Light Rain FEW018 SCT050CB BKN100 OVC140 23.9 21.1 84% 24 76.17 1015.0 0.03
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)