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.
07 04:51 N 7 16.09 A Few Clouds FEW250 18.9 14.4 75% 76.38 1017.9
07 03:51 N 9 16.09 Fair CLR 18.3 14.4 78% 76.38 1018.0
07 02:51 N 9 16.09 Fair CLR 18.3 15 81% 76.38 1018.1
07 01:51 N 9 16.09 Fair CLR 18.9 15 78% 76.4 1018.1
07 00:51 N 9 16.09 Fair CLR 20 15 25.6 19.4 73% 76.4 1018.0
06 23:51 N 9 16.09 Fair CLR 20 14.4 70% 76.38 1017.9
06 22:51 NE 9 16.09 Fair CLR 21.1 12.8 59% 76.38 1017.8
06 21:51 NE 11 16.09 Fair CLR 21.7 11.1 51% 76.33 1017.2
06 20:51 NE 19 16.09 A Few Clouds FEW250 22.8 8.3 40% 76.3 1016.9
06 19:51 N 19 16.09 A Few Clouds FEW250 23.9 11.1 45% 25 76.3 1016.7
06 18:51 NE 19 16.09 A Few Clouds FEW050 FEW250 25.6 12.2 26.7 25.6 43% 26 76.33 1017.1
06 17:51 NE 24 16.09 A Few Clouds FEW250 25.6 11.7 42% 26 76.33 1017.1
06 16:51 NE 22 16.09 A Few Clouds FEW033 25.6 13.3 47% 26 76.33 1017.1
06 15:51 NE 24 16.09 Partly Cloudy SCT032 25.6 13.3 47% 26 76.33 1017.2
06 14:51 NE 24 16.09 A Few Clouds FEW033 26.1 15 50% 27 76.33 1017.2
06 13:51 NE 28 G 43 16.09 A Few Clouds FEW250 26.1 15 50% 27 76.35 1017.5
06 12:51 N 26 16.09 Fair CLR 25.6 16.1 25.6 20.6 56% 26 76.35 1017.3
06 11:51 N 20 16.09 Fair CLR 24.4 16.1 60% 26 76.35 1017.6
06 10:51 NE 17 16.09 A Few Clouds FEW250 23.9 16.7 64% 25 76.33 1017.2
06 09:51 NE 19 16.09 A Few Clouds FEW250 23.3 16.7 67% 76.35 1017.5
06 08:51 NE 19 16.09 A Few Clouds FEW090 FEW250 23.3 15.6 62% 76.35 1017.5
06 07:51 NE 20 16.09 A Few Clouds FEW020 FEW250 21.7 14.4 63% 76.33 1017.1
06 06:51 N 17 16.09 Mostly Cloudy BKN015 20.6 16.1 20.6 19.4 76% 76.3 1016.7
06 05:51 NE 17 16.09 Overcast BKN013 OVC250 20 14.4 70% 76.28 1016.6
06 04:51 NE 17 16.09 Mostly Cloudy BKN014 20.6 16.1 76% 76.25 1016.2
06 03:51 NE 13 16.09 Overcast OVC014 20 17.8 87% 76.23 1015.9
06 02:51 N 13 16.09 Overcast OVC012 19.4 17.8 91% 76.23 1015.7
06 00:51 N 17 16.09 Mostly Cloudy SCT110 BKN250 20 18.3 22.8 19.4 90% 76.2 1015.6
05 23:51 N 15 16.09 Mostly Cloudy FEW110 BKN250 20 17.2 84% 76.2 1015.7
05 22:51 NE 20 16.09 Mostly Cloudy FEW025 BKN038 BKN050 BKN250 21.1 17.2 79% 76.2 1015.5
05 21:51 N 17 16.09 Mostly Cloudy BKN025 BKN036 21.1 16.7 76% 76.17 1015.3
05 20:51 NE 19 16.09 Mostly Cloudy BKN020 BKN029 BKN250 21.1 17.2 79% 76.17 1015.1
05 19:51 NE 26 16.09 Mostly Cloudy FEW014 BKN025 BKN100 BKN250 22.2 18.9 82% 76.15 1014.9
05 18:51 NE 22 16.09 Mostly Cloudy BKN012 22.8 19.4 24.4 21.7 81% 76.12 1014.5
05 17:51 N 24 12.87 Overcast BKN012 OVC026 22.8 20 84% 76.12 1014.6
05 16:51 NE 26 9.66 Fog/Mist BKN010 BKN023 BKN060 22.8 20 84% 76.17 1015.1
05 15:51 N 19 16.09 Overcast BKN016 BKN025 OVC060 23.9 20 79% 24 76.15 1014.7
05 14:51 N 17 14.48 Mostly Cloudy BKN014 BKN025 BKN070 24.4 20.6 79% 25 76.12 1014.6
05 13:51 N 17 8.05 Fog/Mist OVC007 21.7 20 90% 76.15 1015.0
05 12:51 N 13 8.05 Fog/Mist OVC008 22.2 20 22.8 19.4 87% 76.17 1015.0
05 11:51 N 15 6.44 Fog/Mist OVC007 21.7 19.4 87% 76.17 1015.3
05 10:51 N 17 6.44 Fog/Mist OVC008 21.7 19.4 87% 76.17 1015.2
05 09:51 N 19 8.05 Fog/Mist OVC006 21.1 19.4 90% 76.15 1014.8
05 08:51 N 11 8.05 Fog/Mist OVC006 20.6 19.4 93% 76.1 1014.1
05 07:51 N 15 11.27 Mostly Cloudy SCT007 BKN070 BKN250 20.6 18.9 90% 76.05 1013.5
05 06:51 N 17 9.66 Fog/Mist FEW010 SCT075 SCT095 BKN140 BKN250 19.4 17.8 20 18.9 91% 76.02 1013.2 0.08
05 05:51 N 9 9.66 Fog/Mist BKN060CB BKN250 19.4 17.8 91% 76.07 1013.7
05 04:51 N 11 11.27 Fog/Mist SCT050CB BKN070 BKN120 BKN250 18.9 17.8 93% 76.07 1014.0
05 03:51 NW 7 12.87 Overcast BKN050CB BKN070 OVC110 19.4 17.8 91% 76.07 1013.6 0.08 0.08
05 02:51 Calm 16.09 Overcast BKN065CB BKN100 OVC250 20 17.8 87% 76.05 1013.4
05 01:51 N 6 12.87 Mostly Cloudy FEW005 BKN065 BKN100 BKN250 19.4 18.3 93% 76.05 1013.4
05 00:51 N 11 8.05 Fog/Mist FEW005 SCT025 BKN250 20 18.9 22.2 20 93% 76.05 1013.2
04 23:51 E 9 6.44 Fog/Mist SCT005 BKN023 BKN250 20 18.9 93% 76.05 1013.4
04 22:51 NE 17 4.02 Smoke Fog/Mist OVC004 20 18.9 93% 76.05 1013.3
04 22:46 NE 17 3.22 Smoke Fog/Mist OVC004 20 18.9 93% 76.05 1013.3
04 21:51 N 22 4.02 Smoke Fog/Mist BKN004 BKN100 BKN250 20 19.4 96% 76.05 1013.3
04 20:51 NE 17 11.27 Mostly Cloudy FEW010 SCT050 BKN250 21.7 20.6 94% 76.05 1013.4
04 19:51 N 13 16.09 Mostly Cloudy BKN011 BKN042 BKN250 21.7 20.6 94% 76.02 1013.2
04 18:51 E 22 8.05 Light Rain Fog/Mist FEW010 BKN100 21.7 20.6 28.3 21.7 94% 75.95 1012.3 0.15 0.46
04 17:51 E 19 4.83 Thunderstorm Light Rain Fog/Mist SCT050CB OVC100 22.2 21.1 94% 76.07 1013.7 0.3
04 16:51 N 20 16.09 Thunderstorm Light Rain SCT039CB SCT090 OVC110 23.9 20.6 82% 24 76.05 1013.5
04 15:51 NE 24 16.09 Thunderstorm BKN030CB BKN250 25.6 20 71% 27 76.02 1013.0
04 14:51 E 22 16.09 Mostly Cloudy SCT035 BKN100 26.7 20.6 69% 28 76.05 1013.3
04 13:51 Vrbl 7 16.09 Mostly Cloudy SCT036 SCT048 BKN080 BKN250 27.8 22.2 72% 30 76.1 1014.0
04 12:51 SW 9 16.09 Overcast BKN037 BKN044 OVC060 28.3 21.1 28.3 21.7 65% 31 76.17 1014.8
04 11:51 SW 7 16.09 Mostly Cloudy FEW030 BKN130 BKN250 28.3 21.1 65% 31 76.17 1014.9
04 10:51 Calm 16.09 Mostly Cloudy SCT160 BKN230 27.2 20 65% 29 76.12 1014.2
04 08:51 W 9 16.09 Mostly Cloudy FEW035 FEW065 BKN240 24.4 21.1 82% 25 76.17 1015.0
04 07:51 W 7 16.09 Mostly Cloudy FEW035 FEW065 FEW160 BKN240 22.8 20.6 87% 76.15 1014.5
04 06:51 W 7 16.09 Mostly Cloudy FEW060 FEW160 BKN240 21.7 20.6 21.7 20 94% 76.17 1015.0
04 05:51 Calm 12.87 Mostly Cloudy FEW065 SCT160 BKN250 20.6 20 96% 76.17 1014.9
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)