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.
18 04:51 W 26 G 39 16.09 Overcast OVC009 10.6 8.3 86% 75.34 1003.9
18 03:51 W 24 G 39 16.09 Overcast BKN009 OVC036 13.3 11.7 90% 75.26 1003.0 0.28
18 02:51 SW 31 G 44 16.09 Overcast FEW008 BKN016 OVC120 16.1 14.4 90% 75.16 1001.7 0.08
18 01:51 SW 13 8.05 Rain Fog/Mist BKN075 OVC090 16.7 15 90% 75.13 1001.3 0.2
18 00:51 SW 30 G 46 16.09 Light Rain FEW070 OVC100 17.2 15 25.6 16.7 87% 75.26 1002.9 1.27
17 23:51 SW 22 G 39 16.09 Light Rain SCT070 OVC130 16.7 15 90% 75.16 1001.7 0.3
17 22:51 SW 24 G 43 8.05 Thunderstorm Rain Fog/Mist FEW040CB BKN080 OVC150 17.2 15.6 90% 75.36 1004.2 0.48
17 21:51 SW 24 G 76 4.83 Thunderstorm Heavy Rain Fog/Mist BKN043CB BKN060 OVC100 18.3 15.6 84% 75.34 1004.2 0.46 0.48
17 20:51 S 17 12.87 Thunderstorm Light Rain BKN049CB BKN070 BKN100 OVC130 23.3 18.3 74% 75.23 1002.7 0.03
17 19:51 S 31 G 52 16.09 Overcast SCT055 BKN150 OVC250 25 17.2 62% 26 75.18 1001.9
17 18:51 S 33 G 52 16.09 Overcast and Breezy FEW055 SCT150 OVC250 25.6 16.7 27.2 25 58% 26 75.21 1002.5
17 17:51 S 37 G 54 16.09 Overcast and Breezy SCT055 OVC250 26.1 16.1 54% 27 75.31 1003.6
17 16:51 S 37 G 63 16.09 Overcast and Breezy SCT055 OVC250 26.7 15.6 51% 27 75.31 1003.7
17 15:51 S 22 G 52 16.09 Overcast SCT047 OVC250 26.7 15.6 51% 27 75.46 1005.8
17 14:51 S 33 G 52 16.09 Mostly Cloudy and Breezy SCT047 BKN250 25.6 16.1 56% 26 75.51 1006.7
17 13:51 S 26 G 50 16.09 Mostly Cloudy FEW038 BKN055 BKN250 25 16.7 60% 26 75.72 1009.3
17 12:51 S 22 G 41 16.09 Mostly Cloudy FEW035 FEW060 BKN250 25 16.1 25 10 58% 26 75.79 1010.1
17 11:51 S 26 G 41 16.09 Mostly Cloudy BKN250 22.8 16.1 66% 75.84 1010.9
17 10:51 S 13 16.09 Mostly Cloudy BKN250 22.2 15 64% 75.92 1011.9
17 09:51 SE 17 16.09 Mostly Cloudy BKN250 20 13.3 65% 75.95 1012.3
17 08:51 SE 17 11.27 Mostly Cloudy BKN250 16.7 12.2 75% 75.97 1012.7
17 07:51 SE 7 6.44 Fog/Mist BKN250 13.3 11.1 87% 75.97 1012.9
17 06:51 SE 7 3.22 Fog/Mist FEW002 FEW250 10 10 10 9.4 100% 9 76 1013.1
17 05:51 SE 7 0.80 Fog BKN000 10 9.4 96% 9 75.97 1012.8
17 04:51 E 7 0.21 Fog VV002 10 9.4 96% 9 75.97 1012.8
17 03:51 SE 6 0.80 Fog BKN002 9.4 8.9 97% 75.97 1012.9
17 02:51 E 7 0.80 Fog BKN002 9.4 9.4 100% 9 76 1013.3
17 01:51 E 6 0.21 Fog VV001 9.4 9.4 100% 76.05 1013.7
17 00:51 E 7 0.40 Fog OVC002 9.4 8.9 15 9.4 97% 9 76.05 1013.8
16 23:51 E 9 1.61 Fog/Mist BKN005 10 9.4 96% 9 76.07 1014.0
16 22:51 E 7 14.48 Partly Cloudy SCT005 10.6 9.4 92% 76.05 1013.9
16 21:51 E 9 16.09 A Few Clouds FEW005 10.6 9.4 92% 76.02 1013.5
16 20:51 E 11 16.09 A Few Clouds FEW005 11.7 9.4 86% 75.97 1012.7
16 19:51 NE 11 16.09 A Few Clouds FEW005 FEW045 12.2 10.6 90% 75.92 1012.1
16 18:51 E 11 16.09 Partly Cloudy FEW005 SCT045 15 11.7 23.3 15 81% 75.87 1011.5
16 17:51 NE 20 16.09 Mostly Cloudy BKN047 17.8 12.8 73% 75.82 1010.7
16 16:51 NE 15 16.09 Mostly Cloudy BKN045 23.3 11.7 48% 75.77 1009.9
16 15:51 W 22 16.09 Mostly Cloudy BKN043TCU BKN070 21.7 12.2 55% 75.72 1009.3
16 14:51 W 19 G 30 16.09 Mostly Cloudy BKN045TCU BKN060 22.2 13.3 57% 75.69 1009.0
16 13:51 W 24 G 37 16.09 Mostly Cloudy SCT031 SCT050 BKN080 21.7 13.3 59% 75.67 1008.6
16 12:51 W 19 G 30 16.09 Mostly Cloudy FEW027 SCT042 BKN055 21.1 15.6 21.1 15.6 71% 75.64 1008.2 0.18
16 11:51 SW 20 G 37 16.09 Mostly Cloudy BKN017 BKN042TCU 19.4 15.6 79% 75.62 1008.0
16 10:51 SW 19 G 35 16.09 Mostly Cloudy FEW016 SCT024 BKN049 18.3 16.1 87% 75.59 1007.6 0.18
16 09:51 SW 17 G 35 16.09 Mostly Cloudy SCT016 BKN043 18.9 15.6 81% 75.54 1006.8
16 08:51 SW 15 16.09 Overcast OVC013 17.2 15 87% 75.51 1006.5
16 07:51 SW 17 16.09 Overcast OVC011 16.1 14.4 90% 75.54 1006.6
16 06:51 S 13 16.09 Overcast BKN017 OVC023 15.6 13.9 16.1 15 90% 75.51 1006.3 0.08 0.3
16 05:51 S 15 16.09 Overcast BKN038 OVC045 15.6 13.9 90% 75.49 1006.1 0.23
16 04:51 S 13 14.48 Overcast BKN040 OVC047 15.6 13.3 86% 75.49 1006.2
16 03:51 SE 13 16.09 Overcast BKN090 BKN150 OVC250 15.6 13.9 90% 75.46 1005.7
16 02:51 SE 19 16.09 Overcast SCT065 BKN150 OVC250 15.6 13.9 90% 75.51 1006.5
16 01:51 SE 11 16.09 Overcast SCT070 BKN110 OVC250 16.1 14.4 90% 75.59 1007.5
16 00:51 E 17 16.09 Overcast BKN080 BKN100 OVC250 16.1 14.4 22.2 15.6 90% 75.59 1007.4 0.03 1.07
15 23:51 NW 22 11.27 Rain FEW050 BKN070 OVC090 15.6 14.4 93% 75.74 1009.5 0.23
15 22:51 N 17 11.27 Thunderstorm Light Rain SCT025 BKN038CB OVC045 15.6 14.4 93% 75.64 1008.4 0.81
15 21:51 SW 26 G 39 16.09 Overcast BKN025 BKN070 OVC095 21.1 16.7 76% 75.54 1006.7
15 20:51 S 31 G 65 16.09 Overcast SCT028 BKN037 BKN055 OVC250 21.7 16.1 71% 75.49 1006.3
15 19:51 S 30 G 48 16.09 Overcast FEW031 SCT043 BKN080 OVC250 22.2 16.1 68% 75.51 1006.4
15 18:51 S 30 G 46 16.09 Overcast SCT027 BKN041 BKN100 OVC250 22.2 16.7 22.2 19.4 71% 75.51 1006.4
15 17:51 S 17 16.09 Mostly Cloudy SCT028 BKN100 BKN170 BKN250 22.2 17.2 73% 75.59 1007.2
15 16:51 SW 20 16.09 Mostly Cloudy FEW020 SCT100 BKN250 21.7 16.1 71% 75.64 1008.0
15 15:51 SW 17 16.09 Overcast SCT100 OVC250 21.1 16.1 73% 75.67 1008.5
15 14:51 SW 20 16.09 Overcast FEW015 BKN090 OVC200 20 16.1 78% 75.72 1009.1
15 13:51 SW 22 G 33 16.09 Overcast FEW015 FEW080 BKN110 OVC250 20 15.6 76% 75.72 1009.0
15 12:51 SW 22 16.09 Overcast FEW012 BKN140 BKN170 OVC250 19.4 15.6 19.4 17.2 79% 75.67 1008.6 0.15
15 11:51 S 20 16.09 Overcast FEW012 BKN140 OVC250 18.3 15.6 84% 75.67 1008.5
15 10:51 S 22 G 41 16.09 Light Rain OVC100 17.8 15 84% 75.64 1008.4
15 09:51 S 6 16.09 Light Rain OVC100 17.2 15 87% 75.59 1007.4 0.15
15 08:51 S 13 16.09 Overcast BKN090 OVC110 17.2 15.6 90% 75.62 1007.8
15 07:51 Calm 16.09 Overcast FEW060 FEW100 OVC160 17.2 15 87% 75.59 1007.4 0.15
15 06:51 W 17 11.27 Rain SCT055 BKN070 OVC090 17.8 15.6 20.6 17.8 87% 75.69 1008.8 0.13 0.13
15 05:51 W 13 16.09 Light Rain BKN055 BKN100 OVC250 20 17.2 84% 75.59 1007.2
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)