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.
21 20:51 NE 26 G 37 16.09 Overcast BKN032 OVC065 17.2 11.1 68% 76.63 1021.5
21 19:51 NE 20 16.09 Overcast BKN031 OVC065 17.2 11.7 70% 76.61 1021.1
21 18:51 NE 26 G 39 16.09 Overcast BKN028 OVC080 16.7 11.7 18.9 16.7 73% 76.56 1020.6
21 17:51 NE 30 G 41 16.09 Overcast BKN024 OVC065 16.7 11.7 73% 76.53 1020.2
21 16:51 NE 31 G 44 16.09 Overcast BKN024 OVC065 17.2 11.7 70% 76.53 1020.1
21 15:51 NE 28 16.09 Overcast BKN023 OVC065 17.2 12.2 73% 76.53 1020.3
21 14:51 NE 31 G 43 16.09 Mostly Cloudy BKN022 BKN065 BKN250 17.2 11.7 70% 76.56 1020.4
21 13:51 NE 31 G 39 16.09 Overcast BKN022 OVC065 18.3 12.8 70% 76.56 1020.3
21 12:51 NE 22 16.09 Mostly Cloudy FEW022 BKN075 BKN090 18.9 12.8 18.9 15.6 68% 76.53 1020.2
21 11:51 NE 26 16.09 Overcast SCT022 OVC075 17.2 12.2 73% 76.56 1020.5
21 10:51 NE 26 G 37 16.09 Overcast FEW018 SCT038 OVC080 17.2 12.8 76% 76.56 1020.4
21 09:51 E 20 G 37 16.09 Overcast BKN026 OVC060 16.1 12.2 78% 76.58 1020.7
21 08:51 E 19 16.09 Overcast SCT017 OVC036 15.6 12.8 84% 76.56 1020.6
21 07:51 E 19 G 35 16.09 Overcast SCT019 OVC038 15.6 12.2 80% 76.53 1020.2
21 06:51 E 24 16.09 Overcast FEW020 BKN039 OVC075 16.1 12.2 17.2 16.1 78% 76.48 1019.4
21 05:51 E 20 16.09 Overcast BKN020 OVC075 16.1 12.8 81% 76.45 1019.0
21 04:51 E 19 G 33 16.09 Overcast SCT021 SCT060 OVC070 16.1 12.8 81% 76.43 1018.8
21 03:51 E 24 G 33 16.09 Overcast SCT025 BKN035 OVC055 16.1 12.2 78% 76.43 1018.7
21 02:51 E 24 16.09 Overcast OVC022 16.1 12.2 78% 76.43 1018.7
21 01:51 NE 26 G 52 16.09 Light Drizzle FEW008 BKN028 OVC034 16.1 12.2 78% 76.43 1018.9
21 00:51 E 26 G 39 16.09 Overcast FEW007 BKN023 OVC034 17.2 11.7 17.2 16.1 70% 76.43 1018.8 0.1
20 23:51 E 22 16.09 Overcast FEW007 BKN015 OVC031 17.2 14.4 84% 76.45 1019.0 0.03
20 22:51 E 22 G 35 4.83 Light Drizzle Fog/Mist BKN007 OVC025 16.7 15.6 93% 76.4 1018.6
20 21:51 E 26 G 44 4.83 Light Drizzle Fog/Mist BKN007 BKN013 OVC019 16.7 15.6 93% 76.38 1018.2 0.05 0.08
20 20:51 NE 20 4.02 Light Drizzle Fog/Mist BKN011 BKN017 OVC023 16.7 15.6 93% 76.35 1017.9 0.03
20 19:51 NE 24 G 33 9.66 Light Rain Fog/Mist SCT015 BKN022 OVC027 16.7 15 90% 76.3 1017.1
20 18:51 NE 28 G 46 12.87 Light Drizzle BKN011 OVC018 16.7 15 18.9 16.7 90% 76.3 1017.0 0.46
20 17:51 NE 30 G 50 16.09 Light Drizzle BKN009 OVC013 17.2 15.6 90% 76.23 1016.1
20 16:51 NE 31 G 43 11.27 Light Drizzle BKN007 OVC011 17.2 16.1 93% 76.23 1015.9
20 15:51 NE 37 G 50 9.66 Fog/Mist and Breezy BKN007 OVC011 17.8 16.7 93% 76.15 1015.0 0.05 0.46
20 14:51 N 28 8.05 Light Rain Fog/Mist BKN006 OVC010 18.3 17.2 93% 76.15 1015.0 0.08
20 13:51 NE 24 4.02 Light Rain Fog/Mist BKN007 OVC014 18.9 17.8 93% 76.12 1014.8 0.33
20 12:51 NE 17 6.44 Rain Fog/Mist OVC009 18.9 17.8 18.9 18.3 93% 76.12 1014.5 0.23 0.43
20 11:51 NE 26 11.27 Light Rain OVC009 18.9 17.8 93% 76.1 1014.3 0.1
20 10:51 NE 24 16.09 Light Rain OVC009 18.9 17.2 90% 76.1 1014.3
20 09:51 NE 19 16.09 Overcast OVC008 18.9 17.2 90% 76.07 1013.9 0.1
20 08:51 NE 22 G 39 16.09 Overcast OVC008 18.3 17.2 93% 76.07 1013.8 0.1
20 07:51 NE 28 12.87 Light Rain OVC007 18.3 17.2 93% 76.07 1014.1
20 06:51 NE 24 16.09 Overcast OVC006 18.9 17.8 20.6 18.9 93% 76.1 1014.2 2.08
20 05:51 NE 13 12.87 Thunderstorm Light Rain BKN006 BKN020CB OVC050 19.4 18.9 97% 75.97 1012.5 0.56
20 04:51 N 11 3.22 Thunderstorm Heavy Rain Fog/Mist BKN004 OVC020CB 19.4 19.4 100% 75.95 1012.3 0.25
20 03:51 E 7 4.83 Light Rain Fog/Mist SCT004 BKN050 OVC075 20 19.4 96% 75.87 1011.1 0.3 1.27
20 02:51 NE 6 2.01 Thunderstorm Rain Fog/Mist BKN005 BKN025 OVC050CB 20.6 20 96% 75.92 1011.9 0.58
19 20:51 SE 6 2.41 Light Rain Fog/Mist FEW003 BKN031 OVC044 20.6 20 96% 76.05 1013.7 0.76
19 19:51 Calm 9.66 Fog/Mist SCT008 OVC060 20.6 19.4 93% 76.02 1013.4
19 18:51 Calm 9.66 Light Rain Fog/Mist FEW010 SCT045 OVC070 20.6 19.4 21.1 19.4 93% 76.02 1013.2 0.03 0.03
19 17:51 Calm 14.48 Overcast SCT060 BKN075 OVC090 21.1 18.9 87% 76.02 1013.2
19 16:51 SE 6 16.09 Overcast FEW014 FEW075 BKN090 OVC130 20.6 18.9 90% 75.97 1012.6
19 15:51 Calm 16.09 Overcast FEW012 SCT025 BKN100 OVC150 21.1 18.9 87% 76.05 1013.4
19 14:51 W 7 16.09 Light Rain FEW008 BKN011 OVC140 20.6 18.3 87% 76.1 1014.2
19 13:51 Calm 16.09 Overcast BKN009 BKN110 OVC250 20.6 18.3 87% 76.07 1013.8
19 11:51 N 7 11.27 Overcast OVC006 18.9 17.8 93% 76.12 1014.7
19 10:51 S 22 16.09 Overcast SCT004 SCT095 BKN130 OVC250 18.3 17.2 93% 76 1012.8 0.03
19 09:51 SW 9 8.05 Light Rain Fog/Mist FEW075 BKN110 17.8 16.7 93% 76.25 1016.2 0.2 0.3
19 08:51 NE 6 11.27 Light Rain OVC007 17.8 16.7 93% 76.23 1015.8 0.05
19 07:51 E 9 16.09 Overcast OVC006 17.8 16.7 93% 76.17 1015.3 0.05
19 06:51 NE 22 12.87 Light Rain BKN009 BKN031 OVC090 17.2 16.7 20.6 17.2 97% 76.25 1016.2 0.46 0.97
19 05:51 NE 19 4.83 Thunderstorm Rain Fog/Mist OVC021CB 17.2 16.7 97% 76.23 1016.1 0.51
19 04:51 NW 22 G 35 16.09 Thunderstorm OVC018CB 20 15.6 76% 76.25 1016.0
19 03:51 SE 22 G 39 16.09 Overcast OVC019 20 15 73% 76.1 1014.0
19 02:51 SE 17 16.09 Overcast OVC023 20 15.6 76% 76.15 1015.0
19 01:51 E 17 16.09 Mostly Cloudy BKN028 20.6 15.6 73% 76.25 1016.3
19 00:51 SE 20 16.09 Mostly Cloudy BKN030 20.6 15.6 21.7 20.6 73% 76.3 1016.8
18 23:51 E 15 16.09 Overcast OVC029 21.1 15 68% 76.38 1017.9
18 22:51 E 19 16.09 Mostly Cloudy BKN034 BKN250 21.7 13.9 61% 76.43 1018.7
18 21:51 E 13 16.09 Mostly Cloudy BKN030 BKN250 21.1 14.4 66% 76.48 1019.4
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)