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.
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
11 09:51 E 11 16.09 Overcast FEW045 BKN150 OVC250 24.4 20.6 79% 25 75.95 1011.9
11 08:51 E 11 16.09 Overcast FEW022 FEW060 BKN190 OVC250 25 21.1 79% 26 76 1012.5
11 07:51 E 6 16.09 Mostly Cloudy FEW021 SCT060 BKN190 BKN250 24.4 21.1 82% 25 76 1012.5
11 06:51 Calm 16.09 Mostly Cloudy SCT021 BKN190 BKN250 23.9 21.1 24.4 22.8 84% 24 76 1012.5
11 05:51 N 11 16.09 Mostly Cloudy FEW020 SCT035 BKN060 BKN210 23.3 21.7 91% 75.97 1012.1
11 04:51 E 13 16.09 Mostly Cloudy FEW018 BKN033 BKN250 23.9 21.7 88% 24 75.92 1011.4
11 03:51 Calm 16.09 Mostly Cloudy FEW017 SCT043 SCT060 BKN250 23.9 21.7 88% 24 76 1012.5
11 01:51 E 6 16.09 Mostly Cloudy BKN023 BKN038 24.4 21.1 82% 25 76.05 1013.4
11 00:51 SE 7 16.09 Mostly Cloudy BKN023 BKN038 23.9 21.7 27.2 23.9 88% 24 76.1 1013.8
10 23:51 E 6 16.09 Overcast FEW023 BKN038 OVC048 24.4 21.7 85% 25 76.12 1014.2
10 22:51 E 11 16.09 Mostly Cloudy BKN023 BKN035 BKN047 23.9 21.1 84% 24 76.12 1014.4
10 21:51 E 9 16.09 Partly Cloudy FEW025 SCT120 24.4 21.1 82% 25 76.07 1013.7
10 20:51 E 13 16.09 Partly Cloudy SCT020 25 21.7 82% 26 76.02 1013.2
10 19:51 N 15 16.09 Mostly Cloudy FEW020 FEW035 SCT150 BKN250 26.1 22.2 79% 28 75.97 1012.4
10 18:51 E 6 16.09 Overcast FEW030 SCT047 BKN100 BKN160 OVC250 26.7 22.8 30.6 26.7 79% 29 76 1012.6
10 17:51 Vrbl 7 16.09 Overcast SCT030 BKN060 BKN200 OVC250 27.2 22.8 77% 30 76.05 1013.1
10 16:51 E 13 16.09 Overcast SCT031 BKN055 OVC250 28.3 22.8 72% 32 75.97 1012.3
10 15:51 NE 11 16.09 Overcast SCT031 BKN050 BKN080 OVC250 28.9 23.3 72% 33 76 1012.5
10 14:51 W 9 16.09 Mostly Cloudy SCT031 BKN046 BKN060 BKN250 30.6 23.9 67% 36 76 1012.5
10 13:51 Vrbl 6 16.09 Mostly Cloudy SCT026 SCT055 BKN250 29.4 23.3 70% 34 76 1012.7
10 12:51 SE 11 16.09 Mostly Cloudy SCT024 SCT210 BKN250 29.4 23.3 29.4 23.3 70% 34 76.02 1012.9
10 11:51 Vrbl 9 16.09 Mostly Cloudy FEW020 FEW043 SCT210 BKN250 27.8 22.8 74% 31 76.05 1013.3
10 10:51 Calm 16.09 Mostly Cloudy FEW014 FEW050 SCT180 BKN250 26.7 22.8 79% 29 76.05 1013.1
10 09:51 Calm 16.09 Overcast OVC012 25 21.7 82% 26 76 1012.7
10 08:51 N 7 16.09 Overcast OVC012 23.9 21.7 88% 24 76.02 1012.9
10 07:51 NE 13 16.09 Overcast BKN014 OVC027 23.3 21.1 88% 76 1012.7
10 06:51 W 6 16.09 Overcast BKN019 BKN025 OVC040 23.3 21.1 25 22.2 88% 76 1012.6
10 05:51 Calm 16.09 Overcast BKN018 OVC250 22.8 20.6 87% 75.92 1011.7
10 04:51 SW 11 16.09 Mostly Cloudy BKN022 BKN250 22.8 20 84% 75.9 1011.4
10 03:51 SW 13 16.09 Overcast SCT031 OVC250 22.8 20 84% 75.9 1011.2
10 02:51 SW 17 16.09 Overcast SCT040 OVC250 23.3 18.9 76% 75.84 1010.8
10 01:51 SW 11 16.09 Overcast FEW011 FEW075 OVC250 24.4 23.3 94% 24 75.87 1010.9
10 00:51 SE 9 16.09 Thunderstorm BKN012 BKN021 OVC035CB 25 23.3 25 23.9 90% 26 75.9 1011.4 0.05 0.15
09 23:51 S 17 16.09 Thunderstorm Light Rain SCT040CB BKN055 OVC090 24.4 22.2 88% 25 75.84 1010.6 0.1
09 22:51 SE 24 G 35 16.09 Thunderstorm Light Rain BKN038CB BKN050 OVC110 24.4 21.7 85% 25 75.9 1011.2
09 21:51 SE 11 16.09 Overcast BKN038 BKN046 OVC130 24.4 22.2 88% 25 75.97 1012.3
09 20:51 SE 11 16.09 Mostly Cloudy FEW034 BKN110 BKN250 24.4 21.7 85% 25 75.97 1012.3
09 19:51 E 7 16.09 Mostly Cloudy FEW040 BKN120 BKN250 24.4 21.7 85% 25 75.95 1012.0
09 18:51 SE 7 16.09 Mostly Cloudy BKN031 BKN130 BKN250 24.4 21.7 28.3 21.1 85% 25 75.97 1012.2 3.25
09 17:51 SE 6 16.09 Mostly Cloudy FEW015 SCT040 BKN130 BKN250 24.4 21.7 85% 25 76 1012.7
09 16:51 Calm 16.09 Light Rain FEW015 BKN050 BKN085 BKN130 OVC250 23.9 21.1 84% 24 76.02 1013.0
09 15:51 S 11 16.09 Mostly Cloudy FEW015 SCT055 SCT140 BKN190 BKN250 22.2 20.6 91% 76 1012.6 3.25
09 14:51 S 13 16.09 Thunderstorm FEW010 FEW030CB SCT070 BKN130 BKN160 OVC250 22.2 20 87% 76.02 1013.2 1.8
09 13:51 W 24 G 56 2.01 Thunderstorm Heavy Rain Fog/Mist SCT011 BKN031CB OVC055 21.7 20.6 94% 76.05 1013.4 1.45
09 12:51 S 13 G 30 16.09 Thunderstorm SCT030 BKN040CB BKN065 BKN140 OVC250 28.3 22.2 28.9 20.6 70% 31 76.02 1013.0
09 10:51 S 17 16.09 Mostly Cloudy FEW034 FEW042 BKN250 27.2 21.1 69% 29 76.15 1014.7
09 09:51 S 17 16.09 Mostly Cloudy SCT030 BKN250 25.6 20 71% 27 76.15 1014.7
09 08:51 S 17 16.09 Partly Cloudy FEW028 SCT250 24.4 18.9 72% 25 76.17 1015.1
09 07:51 S 13 16.09 Mostly Cloudy SCT028 BKN250 22.2 17.8 76% 76.2 1015.4
09 06:51 S 7 16.09 Mostly Cloudy BKN026 BKN250 20.6 17.2 21.1 18.9 81% 76.25 1016.1
09 05:51 S 6 16.09 Mostly Cloudy SCT026 BKN250 19.4 16.7 84% 76.25 1016.1
09 04:51 Calm 16.09 A Few Clouds FEW250 18.9 16.7 87% 76.23 1015.9
09 03:51 Calm 16.09 A Few Clouds FEW250 19.4 16.7 84% 76.2 1015.6
09 02:51 Calm 16.09 A Few Clouds FEW250 18.9 16.7 87% 76.2 1015.6
09 01:51 Calm 16.09 Partly Cloudy SCT250 20.6 17.2 81% 76.23 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)