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.
12 02:51 Calm 10.00 Mostly Cloudy SCT025 BKN036 72 68 87% 29.81 1009.1
12 01:51 SE 5 10.00 Mostly Cloudy BKN025 BKN036 73 69.1 87% 29.83 1009.6
12 00:51 S 5 10.00 Mostly Cloudy BKN030 73 70 79 73 90% 29.85 1010.3
11 23:51 S 6 10.00 Partly Cloudy FEW035 SCT100 73 70 90% 29.87 1011.0
11 22:51 S 5 10.00 Partly Cloudy SCT100 73.9 70 88% 29.88 1011.2
11 21:51 Calm 10.00 Partly Cloudy SCT100 75 70 84% 75 29.88 1011.2
11 20:51 Calm 10.00 Partly Cloudy SCT130 77 70 79% 79 29.87 1010.9
11 19:51 Calm 10.00 Partly Cloudy SCT120 78.1 70 76% 80 29.87 1011.0
11 18:51 S 7 10.00 A Few Clouds FEW027 FEW120 FEW250 79 69.1 81 71.1 72% 82 29.88 1011.3
11 17:51 S 7 10.00 Mostly Cloudy SCT026 BKN110 BKN250 79 71.1 77% 82 29.88 1011.4
11 16:51 Vrbl 5 10.00 Mostly Cloudy SCT021 BKN250 81 71.1 72% 85 29.88 1011.2
11 15:51 Vrbl 5 10.00 Mostly Cloudy SCT020 BKN250 80.1 71.1 74% 84 29.89 1011.6
11 14:51 N 5 10.00 Mostly Cloudy FEW020 FEW030 FEW050 BKN250 77 69.1 77% 79 29.88 1011.4
11 13:51 S 7 10.00 Overcast FEW020 SCT140 SCT190 OVC250 75 70 84% 75 29.86 1010.6
11 12:51 NE 14 10.00 Light Rain FEW043 SCT060 BKN100 OVC250 71.1 69.1 77 69.1 94% 29.9 1012.1 0.03 0.47
11 11:51 N 13 9.00 Light Rain FEW050 SCT100 BKN120 OVC140 69.1 66.9 93% 29.91 1012.4 0.43
11 10:51 W 20 G 30 7.00 Thunderstorm Light Rain FEW018 SCT050CB BKN100 OVC140 75 70 84% 75 29.99 1015.0 0.01
11 09:51 E 7 10.00 Overcast FEW045 BKN150 OVC250 75.9 69.1 79% 77 29.9 1011.9
11 08:51 E 7 10.00 Overcast FEW022 FEW060 BKN190 OVC250 77 70 79% 79 29.92 1012.5
11 07:51 E 3 10.00 Mostly Cloudy FEW021 SCT060 BKN190 BKN250 75.9 70 82% 77 29.92 1012.5
11 06:51 Calm 10.00 Mostly Cloudy SCT021 BKN190 BKN250 75 70 75.9 73 84% 75 29.92 1012.5
11 05:51 N 7 10.00 Mostly Cloudy FEW020 SCT035 BKN060 BKN210 73.9 71.1 91% 29.91 1012.1
11 04:51 E 8 10.00 Mostly Cloudy FEW018 BKN033 BKN250 75 71.1 88% 75 29.89 1011.4
11 03:51 Calm 10.00 Mostly Cloudy FEW017 SCT043 SCT060 BKN250 75 71.1 88% 75 29.92 1012.5
11 01:51 E 3 10.00 Mostly Cloudy BKN023 BKN038 75.9 70 82% 77 29.94 1013.4
11 00:51 SE 5 10.00 Mostly Cloudy BKN023 BKN038 75 71.1 81 75 88% 75 29.96 1013.8
10 23:51 E 3 10.00 Overcast FEW023 BKN038 OVC048 75.9 71.1 85% 76 29.97 1014.2
10 22:51 E 7 10.00 Mostly Cloudy BKN023 BKN035 BKN047 75 70 84% 75 29.97 1014.4
10 21:51 E 6 10.00 Partly Cloudy FEW025 SCT120 75.9 70 82% 77 29.95 1013.7
10 20:51 E 8 10.00 Partly Cloudy SCT020 77 71.1 82% 79 29.93 1013.2
10 19:51 N 9 10.00 Mostly Cloudy FEW020 FEW035 SCT150 BKN250 79 72 79% 82 29.91 1012.4
10 18:51 E 3 10.00 Overcast FEW030 SCT047 BKN100 BKN160 OVC250 80.1 73 87.1 80.1 79% 84 29.92 1012.6
10 17:51 Vrbl 5 10.00 Overcast SCT030 BKN060 BKN200 OVC250 81 73 77% 86 29.94 1013.1
10 16:51 E 8 10.00 Overcast SCT031 BKN055 OVC250 82.9 73 72% 89 29.91 1012.3
10 15:51 NE 7 10.00 Overcast SCT031 BKN050 BKN080 OVC250 84 73.9 72% 91 29.92 1012.5
10 14:51 W 6 10.00 Mostly Cloudy SCT031 BKN046 BKN060 BKN250 87.1 75 67% 97 29.92 1012.5
10 13:51 Vrbl 3 10.00 Mostly Cloudy SCT026 SCT055 BKN250 84.9 73.9 70% 92 29.92 1012.7
10 12:51 SE 7 10.00 Mostly Cloudy SCT024 SCT210 BKN250 84.9 73.9 84.9 73.9 70% 92 29.93 1012.9
10 11:51 Vrbl 6 10.00 Mostly Cloudy FEW020 FEW043 SCT210 BKN250 82 73 74% 87 29.94 1013.3
10 10:51 Calm 10.00 Mostly Cloudy FEW014 FEW050 SCT180 BKN250 80.1 73 79% 84 29.94 1013.1
10 09:51 Calm 10.00 Overcast OVC012 77 71.1 82% 79 29.92 1012.7
10 08:51 N 5 10.00 Overcast OVC012 75 71.1 88% 75 29.93 1012.9
10 07:51 NE 8 10.00 Overcast BKN014 OVC027 73.9 70 88% 29.92 1012.7
10 06:51 W 3 10.00 Overcast BKN019 BKN025 OVC040 73.9 70 77 72 88% 29.92 1012.6
10 05:51 Calm 10.00 Overcast BKN018 OVC250 73 69.1 87% 29.89 1011.7
10 04:51 SW 7 10.00 Mostly Cloudy BKN022 BKN250 73 68 84% 29.88 1011.4
10 03:51 SW 8 10.00 Overcast SCT031 OVC250 73 68 84% 29.88 1011.2
10 02:51 SW 10 10.00 Overcast SCT040 OVC250 73.9 66 76% 29.86 1010.8
10 01:51 SW 7 10.00 Overcast FEW011 FEW075 OVC250 75.9 73.9 94% 75 29.87 1010.9
10 00:51 SE 6 10.00 Thunderstorm BKN012 BKN021 OVC035CB 77 73.9 77 75 90% 78 29.88 1011.4 0.02 0.06
09 23:51 S 10 10.00 Thunderstorm Light Rain SCT040CB BKN055 OVC090 75.9 72 88% 76 29.86 1010.6 0.04
09 22:51 SE 15 G 22 10.00 Thunderstorm Light Rain BKN038CB BKN050 OVC110 75.9 71.1 85% 76 29.88 1011.2
09 21:51 SE 7 10.00 Overcast BKN038 BKN046 OVC130 75.9 72 88% 76 29.91 1012.3
09 20:51 SE 7 10.00 Mostly Cloudy FEW034 BKN110 BKN250 75.9 71.1 85% 76 29.91 1012.3
09 19:51 E 5 10.00 Mostly Cloudy FEW040 BKN120 BKN250 75.9 71.1 85% 76 29.9 1012.0
09 18:51 SE 5 10.00 Mostly Cloudy BKN031 BKN130 BKN250 75.9 71.1 82.9 70 85% 76 29.91 1012.2 1.28
09 17:51 SE 3 10.00 Mostly Cloudy FEW015 SCT040 BKN130 BKN250 75.9 71.1 85% 76 29.92 1012.7
09 16:51 Calm 10.00 Light Rain FEW015 BKN050 BKN085 BKN130 OVC250 75 70 84% 75 29.93 1013.0
09 15:51 S 7 10.00 Mostly Cloudy FEW015 SCT055 SCT140 BKN190 BKN250 72 69.1 91% 29.92 1012.6 1.28
09 14:51 S 8 10.00 Thunderstorm FEW010 FEW030CB SCT070 BKN130 BKN160 OVC250 72 68 87% 29.93 1013.2 0.71
09 13:51 W 15 G 35 1.25 Thunderstorm Heavy Rain Fog/Mist SCT011 BKN031CB OVC055 71.1 69.1 94% 29.94 1013.4 0.57
09 12:51 S 8 G 18 10.00 Thunderstorm SCT030 BKN040CB BKN065 BKN140 OVC250 82.9 72 84 69.1 70% 88 29.93 1013.0
09 10:51 S 10 10.00 Mostly Cloudy FEW034 FEW042 BKN250 81 70 69% 84 29.98 1014.7
09 09:51 S 10 10.00 Mostly Cloudy SCT030 BKN250 78.1 68 71% 80 29.98 1014.7
09 08:51 S 10 10.00 Partly Cloudy FEW028 SCT250 75.9 66 72% 77 29.99 1015.1
09 07:51 S 8 10.00 Mostly Cloudy SCT028 BKN250 72 64 76% 30 1015.4
09 06:51 S 5 10.00 Mostly Cloudy BKN026 BKN250 69.1 63 70 66 81% 30.02 1016.1
09 05:51 S 3 10.00 Mostly Cloudy SCT026 BKN250 66.9 62.1 84% 30.02 1016.1
09 04:51 Calm 10.00 A Few Clouds FEW250 66 62.1 87% 30.01 1015.9
09 03:51 Calm 10.00 A Few Clouds FEW250 66.9 62.1 84% 30 1015.6
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)