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 20:51 SE 19 16.09 Overcast FEW045 OVC100 4.4 -3.3 58% 1 76.12 1015.4
12 19:51 S 15 16.09 Overcast SCT075 OVC090 6.1 -5.6 43% 3 76.2 1016.4
12 18:51 SW 20 16.09 Overcast OVC095 6.1 -5.6 7.2 5 43% 3 76.2 1016.4
12 17:51 SW 20 G 31 16.09 Overcast SCT110 OVC250 6.7 -6.7 38% 3 76.23 1016.6
12 16:51 SW 20 G 33 16.09 Overcast FEW170 OVC250 6.7 -6.1 40% 3 76.3 1017.7
12 15:51 SW 13 G 33 16.09 Mostly Cloudy FEW045 BKN250 6.7 -5.6 41% 4 76.4 1019.2
12 14:51 W 13 G 33 16.09 Partly Cloudy FEW045 SCT250 6.7 -5.6 41% 4 76.45 1019.9
12 13:51 W 22 G 31 16.09 A Few Clouds FEW045 FEW150 6.1 -6.7 40% 3 76.56 1021.3
12 12:51 W 17 G 28 16.09 A Few Clouds FEW043 5 -5 5 -1.7 49% 2 76.61 1021.8
12 11:51 NW 19 G 30 16.09 A Few Clouds FEW038 4.4 -5.6 49% 1 76.63 1022.3
12 10:51 NW 13 16.09 A Few Clouds FEW030 3.3 -4.4 57% 0 76.68 1023.0
12 09:51 W 15 16.09 A Few Clouds FEW030 1.7 -4.4 64% -2 76.66 1022.7
12 08:51 W 11 16.09 A Few Clouds FEW070 0.6 -4.4 70% -2 76.63 1022.5
12 07:51 W 9 16.09 A Few Clouds FEW070 -1.1 -5 75% -4 76.63 1022.3
12 06:51 SW 13 16.09 A Few Clouds FEW070 -1.1 -5 0.6 -1.1 75% -5 76.61 1021.8
12 05:51 SW 11 16.09 A Few Clouds FEW080 -1.1 -5 75% -5 76.56 1021.3
12 04:51 SW 9 16.09 A Few Clouds FEW080 -1.1 -5.6 72% -4 76.53 1021.1
12 03:51 W 9 16.09 Fair CLR -0.6 -5.6 69% -3 76.56 1021.3
12 02:51 W 11 16.09 Fair CLR 0 -5.6 66% -3 76.58 1021.7
12 01:51 W 9 16.09 Fair CLR 0 -5 69% -3 76.58 1021.6
12 00:51 W 9 16.09 Fair CLR 0 -4.4 2.8 0 73% -3 76.56 1021.2
11 23:51 W 7 16.09 Fair CLR 0 -3.3 79% -2 76.56 1021.3
11 22:51 W 9 16.09 Fair CLR 1.1 -3.3 73% -1 76.53 1021.0
11 21:51 W 9 16.09 Fair CLR 1.1 -2.8 76% -1 76.5 1020.6
11 20:51 NW 17 16.09 A Few Clouds FEW031 1.7 -2.8 72% -2 76.48 1020.1
11 19:51 NW 24 G 37 16.09 Mostly Cloudy BKN033 2.8 -2.2 70% -2 76.4 1019.3
11 18:51 NW 22 G 35 16.09 Overcast BKN026 OVC033 2.8 -1.7 2.8 0.6 73% -2 76.25 1017.2 0.05
11 17:51 N 17 16.09 Mostly Cloudy SCT025 BKN033 2.2 -1.7 76% -2 76.12 1015.5
11 16:51 N 26 11.27 Light Snow BKN015 BKN036 OVC047 1.7 -0.6 85% -3 76.05 1014.4
11 15:51 NW 22 G 41 6.44 Light Snow Fog/Mist BKN019 OVC032 1.7 -1.1 82% -3 75.95 1013.2 0.05
11 14:51 NW 30 G 44 16.09 Overcast SCT017 BKN024 OVC041 1.7 -1.7 78% -4 75.87 1012.0
11 13:51 NW 22 16.09 Overcast BKN013 OVC024 1.7 -0.6 85% -3 75.74 1010.5 0.05
11 12:51 NW 19 2.41 Light Snow Fog/Mist BKN010 BKN023 OVC046 0.6 -0.6 3.3 0.6 92% -4 75.74 1010.3 0.15 0.2
11 11:51 NW 22 9.66 Light Rain Fog/Mist OVC012 2.2 0 86% -2 75.69 1009.5 0.03
11 10:51 NW 20 12.87 Light Drizzle OVC011 2.2 0.6 89% -2 75.59 1008.2
11 09:51 NW 13 16.09 Overcast OVC011 2.8 1.1 89% -0 75.49 1006.9 0.03
11 08:51 N 20 16.09 Overcast OVC010 2.8 1.1 89% -1 75.39 1005.5
11 07:51 NW 19 16.09 Light Rain BKN010 OVC016 2.8 1.1 89% -1 75.34 1004.7 0.03
11 06:51 NW 19 G 43 14.48 Light Rain BKN008 OVC013 3.3 2.2 7.8 3.3 93% -1 75.29 1004.3 0.15 0.3
11 05:51 N 17 11.27 Rain OVC005 3.9 3.3 96% 0 75.18 1002.7 0.13
11 04:51 NE 13 12.87 Thunderstorm Rain BKN009 OVC030CB 3.9 3.3 96% 1 75.23 1003.3 0.03
11 03:51 NE 17 16.09 Overcast OVC004 3.9 3.3 96% 0 75.11 1001.9
11 02:51 N 13 12.87 Overcast OVC004 5.6 4.4 92% 3 75.26 1003.6
11 01:51 NE 17 12.87 Overcast BKN004 OVC022 5.6 4.4 92% 3 75.31 1004.4
11 00:51 N 15 14.48 Overcast FEW004 BKN031 OVC040 7.8 7.2 13.9 3.9 96% 6 75.34 1004.5 0.28 2.59
10 23:51 N 6 16.09 Thunderstorm SCT004 BKN065CB OVC110 7.2 6.1 93% 75.31 1004.4 0.3
10 22:51 N 17 3.22 Thunderstorm Heavy Rain Fog/Mist BKN004 OVC050CB 6.7 6.1 96% 4 75.54 1007.4 0.58
10 21:51 NE 28 G 54 11.27 Thunderstorm Light Rain FEW006 SCT050CB OVC100 7.2 6.7 97% 3 75.21 1003.0 0.91 1.42
10 20:51 S 17 G 43 1.61 Thunderstorm Rain Hail Fog/Mist BKN004 BKN048CB OVC070 5.6 5 96% 3 75.49 1006.5 0.51
10 19:51 E 13 2.82 Fog/Mist OVC004 4.4 3.3 93% 2 75.39 1005.3
10 18:51 NE 24 2.41 Fog/Mist OVC003 3.9 3.3 5.6 3.3 96% -0 75.49 1006.5
10 17:51 NE 24 6.44 Fog/Mist OVC005 3.9 2.2 89% -0 75.62 1008.3
10 16:51 NE 24 16.09 Overcast OVC007 3.9 2.2 89% -0 75.67 1008.9
10 15:51 NE 30 16.09 Overcast OVC008 3.9 1.7 86% -1 75.72 1009.7
10 14:51 NE 30 16.09 Overcast OVC009 5 1.7 79% 0 75.82 1010.8
10 13:51 NE 24 16.09 Overcast OVC010 5.6 2.2 79% 2 75.9 1011.8
10 12:51 NE 24 16.09 Overcast OVC009 5.6 2.2 15 4.4 79% 2 75.97 1012.9
10 11:51 NE 24 G 41 16.09 Overcast OVC006 5 2.2 82% 1 76 1013.2
10 10:51 NE 30 14.48 Overcast OVC006 4.4 2.8 89% -0 75.95 1012.6
10 09:51 NE 19 11.27 Overcast OVC006 5.6 3.9 89% 2 75.9 1011.9
10 08:51 N 19 12.87 Overcast OVC007 8.9 6.7 86% 6 75.79 1010.6
10 07:51 NE 9 8.05 Fog/Mist BKN006 BKN250 14.4 13.3 93% 75.72 1009.4
10 06:51 SW 13 9.66 Fog/Mist FEW005 FEW250 14.4 13.3 16.7 14.4 93% 75.64 1008.2
10 05:51 SW 13 12.87 Partly Cloudy FEW008 SCT250 14.4 13.3 93% 75.64 1008.1
10 04:51 SW 11 12.87 Partly Cloudy SCT008 SCT250 15 13.9 93% 75.59 1007.3
10 03:51 SW 20 12.87 Mostly Cloudy BKN008 15.6 14.4 93% 75.57 1007.0
10 02:51 SW 22 12.87 Overcast OVC009 16.1 14.4 90% 75.57 1007.0
10 01:51 SW 17 G 33 14.48 Overcast OVC010 16.1 14.4 90% 75.54 1006.9
09 23:51 S 15 14.48 A Few Clouds FEW016 15.6 13.9 90% 75.57 1007.2
09 22:51 S 19 16.09 Fair CLR 16.7 13.3 80% 75.57 1007.4
09 21:51 S 19 16.09 Fair CLR 16.7 12.8 78% 75.51 1006.7
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)