Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cst) 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.
07 04:51 SW 19 16.09 Light Rain SCT040 OVC090 15.6 14.4 93% 75.46 1005.8 0.03
07 03:51 SW 13 9.66 Rain Fog/Mist FEW023 SCT039 OVC090 16.1 14.4 90% 75.44 1005.5 0.3
07 02:51 SW 20 G 33 16.09 Overcast SCT024 BKN040 OVC130 17.8 15.6 87% 75.51 1006.6
07 01:51 SW 26 G 43 16.09 Overcast SCT060 BKN080 OVC250 17.8 15.6 87% 75.62 1007.9
07 00:51 S 19 16.09 Mostly Cloudy BKN250 16.7 15 90% 75.57 1007.5
06 23:51 S 19 16.09 Mostly Cloudy FEW100 BKN250 15.6 14.4 17.8 15.6 93% 75.62 1007.9
06 22:51 S 15 16.09 Mostly Cloudy FEW100 BKN250 15.6 13.9 90% 75.69 1009.1
06 21:51 S 19 16.09 Mostly Cloudy BKN100 BKN250 16.1 13.9 87% 75.79 1010.5
06 20:51 SW 13 16.09 Overcast BKN120 OVC250 16.1 14.4 90% 75.87 1011.4
06 19:51 S 17 16.09 Overcast BKN160 OVC230 17.2 15 87% 75.79 1010.6
06 18:51 S 15 16.09 Overcast BKN140 OVC250 16.7 15.6 93% 75.84 1011.1
06 17:51 S 13 16.09 Mostly Cloudy SCT120 BKN170 BKN220 BKN250 17.8 15 18.9 13.9 84% 75.79 1010.6 0.43
06 16:51 SW 17 12.87 Mostly Cloudy FEW055 SCT120 BKN170 BKN250 18.3 16.1 87% 75.77 1010.1
06 14:51 NW 13 9.66 Fog/Mist SCT050 BKN075 BKN110 OVC250 17.8 15.6 87% 75.84 1011.0 0.25
06 13:51 S 9 9.66 Fog/Mist FEW038 BKN100 BKN250 17.2 15.6 90% 75.79 1010.5 0.05
06 12:51 S 13 4.83 Thunderstorm Light Rain Fog/Mist FEW006 SCT055CB OVC075 14.4 13.9 97% 75.84 1011.4 0.2
06 11:51 SE 24 G 35 4.83 Light Rain Fog/Mist FEW045 OVC095 13.9 12.8 13.9 6.1 93% 75.92 1012.3 0.18 1.6
06 10:51 S 13 2.82 Thunderstorm Light Rain Fog/Mist SCT037CB OVC055 12.2 11.7 97% 76.02 1013.8 0.81
06 09:51 S 9 3.22 Thunderstorm Light Rain Fog/Mist FEW003 BKN028 OVC039CB 11.7 11.1 96% 76.1 1014.8 0.61
06 08:51 SE 15 3.22 Fog/Mist OVC004 10 9.4 96% 8 76.05 1014.0
06 07:51 SE 7 2.41 Fog/Mist OVC003 8.3 8.3 100% 7 76.12 1015.3
06 06:51 SE 7 1.21 Fog/Mist VV002 7.2 7.2 100% 6 76.15 1015.4
06 05:51 E 7 0.21 Fog VV002 6.7 6.1 6.7 5.6 96% 6 76.15 1015.6
06 04:51 E 6 0.21 Fog VV002 6.1 5.6 97% 76.17 1015.9
06 03:51 Calm 0.40 Fog VV002 6.1 5.6 97% 76.2 1016.2
06 02:51 E 7 4.83 Fog/Mist BKN003 OVC012 6.1 5.6 97% 5 76.2 1016.4
06 01:51 Calm 2.41 Light Drizzle Fog/Mist OVC004 6.1 5.6 97% 76.3 1017.5
06 00:51 E 7 2.41 Light Drizzle Fog/Mist OVC004 6.7 6.1 96% 6 76.25 1017.0
05 23:51 E 6 6.44 Fog/Mist SCT005 OVC013 6.7 5.6 7.8 6.7 93% 76.3 1017.6
05 22:51 Calm 6.44 Fog/Mist OVC004 6.7 5.6 93% 76.33 1017.9
05 21:51 E 6 8.05 Fog/Mist OVC004 6.7 5.6 93% 76.3 1017.7
05 20:51 E 6 9.66 Fog/Mist OVC005 6.7 5 89% 76.33 1017.8
05 19:51 E 7 11.27 Overcast OVC006 7.2 5.6 90% 6 76.25 1016.9
05 18:51 E 11 9.66 Fog/Mist OVC010 7.8 6.1 89% 6 76.25 1016.8
05 17:51 E 13 8.05 Fog/Mist BKN010 BKN035 8.3 6.7 10 6.7 90% 6 76.2 1016.1
05 16:51 E 6 6.44 Fog/Mist BKN010 BKN037 BKN150 10 7.2 83% 76.17 1015.7
05 15:51 N 11 6.44 Fog/Mist OVC010 9.4 7.2 86% 8 76.17 1015.9
05 14:51 N 6 6.44 Fog/Mist OVC010 9.4 7.2 86% 76.17 1015.9
05 13:51 N 6 6.44 Fog/Mist BKN008 OVC017 8.9 7.2 89% 76.1 1015.0
05 12:51 Calm 4.83 Fog/Mist BKN006 OVC016 8.3 6.7 90% 76.12 1015.1
05 11:51 N 6 3.22 Fog/Mist OVC006 6.7 5.6 7.2 3.9 93% 76.15 1015.6 0.03
05 10:51 N 7 2.41 Light Drizzle Fog/Mist OVC004 6.1 5.6 97% 5 76.15 1015.7
05 09:51 N 11 3.22 Fog/Mist OVC005 5.6 5 96% 3 76.17 1015.8
05 08:51 NE 11 2.41 Light Drizzle Fog/Mist OVC004 5 4.4 96% 3 76.12 1015.4 0.03
05 07:51 N 9 2.41 Light Drizzle Fog/Mist OVC004 4.4 3.9 97% 2 76.12 1015.3 0.03
05 06:51 N 9 1.61 Light Drizzle Fog/Mist OVC003 4.4 3.9 97% 2 76.07 1014.6
05 05:51 N 9 1.61 Light Drizzle Fog/Mist OVC002 3.9 3.9 5 3.9 100% 2 76.1 1015.2
05 04:51 Calm 0.40 Fog VV003 3.9 3.9 100% 76.1 1015.2
05 03:51 NE 6 0.21 Fog VV002 3.9 3.3 96% 76.07 1014.7
05 02:51 N 11 0.21 Fog VV001 3.9 3.3 96% 1 76.1 1015.0
05 01:51 NE 7 0.21 Fog VV001 3.9 3.3 96% 2 76.1 1015.1
05 00:51 N 11 0.21 Fog VV001 3.9 3.3 96% 1 76.12 1015.4
04 23:51 N 11 0.21 Fog VV001 3.9 3.3 5 3.3 96% 1 76.2 1016.3 0.2
04 22:51 NE 6 0.21 Fog VV002 3.9 3.3 96% 76.23 1016.6
04 21:51 NE 15 0.21 Fog VV002 3.9 3.3 96% 1 76.2 1016.2 0.03
04 20:51 N 13 1.61 Light Rain Fog/Mist OVC002 3.9 3.3 96% 1 76.25 1017.1 0.18
04 19:51 NE 17 2.82 Fog/Mist OVC003 4.4 3.3 93% 1 76.23 1016.8 0.03
04 18:51 N 15 2.41 Light Rain Fog/Mist OVC005 4.4 3.3 93% 1 76.3 1017.7 0.15
04 17:51 E 11 1.21 Light Rain Fog/Mist OVC004 3.9 2.8 7.2 3.3 93% 1 76.3 1018.0 0.13 0.13
04 16:51 NE 11 1.61 Light Drizzle Fog/Mist OVC004 3.3 2.2 93% 1 76.33 1018.4
04 15:51 NE 19 2.41 Light Drizzle Fog/Mist OVC006 3.3 2.2 93% -1 76.35 1018.5
04 14:51 NE 11 3.22 Fog/Mist OVC008 3.9 2.2 89% 1 76.4 1019.1
04 13:51 NE 15 4.83 Light Drizzle OVC013 5 1.1 76% 2 76.4 1019.3
04 12:49 NE 17 11.27 Overcast BKN016 OVC028 6.7 1.1 68% 4 76.45 1019.9
04 11:51 E 15 12.87 Overcast OVC038 7.2 1.1 7.8 0.6 66% 5 76.56 1021.0
04 10:51 E 17 12.87 Overcast SCT045 OVC065 6.7 0.6 65% 4 76.58 1021.6
04 09:51 E 17 12.87 Overcast BKN070 OVC250 6.1 0.6 68% 3 76.66 1022.7
04 08:51 E 13 11.27 Mostly Cloudy FEW010 FEW060 BKN250 4.4 0.6 77% 2 76.71 1023.1
04 07:51 E 17 6.44 Fog/Mist SCT005 BKN250 2.2 0.6 89% -2 76.71 1023.3
04 06:51 NE 13 2.82 Fog/Mist OVC003 1.1 0.6 97% -2 76.71 1023.5
Date Time (cst) 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)