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.
05 19:51 W 13 16.09 Mostly Cloudy FEW040 SCT150 BKN200 BKN250 24.4 17.2 64% 25 76.23 1015.7
05 18:51 W 7 16.09 Overcast FEW032 SCT047 BKN150 OVC250 25 17.8 27.8 25 64% 26 76.2 1015.6 0.03
05 17:51 W 19 G 30 16.09 Overcast FEW035 SCT075 BKN180 BKN220 OVC250 26.1 20 69% 27 76.23 1015.5
05 16:51 W 19 G 33 16.09 Overcast FEW033 SCT080 BKN220 OVC250 26.7 20 67% 28 76.2 1015.4
05 15:51 SW 13 16.09 Overcast FEW030 SCT045 BKN075 BKN130 OVC250 26.7 20 67% 28 76.2 1015.5 0.03 0.03
05 14:51 W 15 16.09 Light Rain FEW032 BKN043 BKN060 BKN130 OVC250 26.1 20 69% 27 76.23 1015.8
05 13:51 SW 15 16.09 Overcast FEW028 FEW075 BKN140 OVC250 27.2 19.4 62% 29 76.23 1015.5
05 12:51 SW 11 16.09 Overcast FEW026 SCT110 BKN160 OVC250 26.7 20.6 26.7 23.3 69% 28 76.2 1015.4
05 09:51 SW 13 16.09 Overcast FEW075 FEW110 BKN200 OVC250 25 20.6 77% 26 76.25 1016.1
05 08:51 SW 13 16.09 Overcast FEW060 BKN190 OVC250 23.9 20 79% 24 76.25 1016.1
05 07:51 SW 17 16.09 Overcast FEW043 SCT120 BKN150 OVC250 23.3 20 82% 76.25 1016.1
05 06:51 SW 7 16.09 Overcast SCT043 SCT055 BKN150 OVC250 23.9 20 25 22.8 79% 24 76.25 1015.9 0.08
05 05:51 S 6 16.09 Overcast FEW050 BKN180 OVC250 23.3 20 82% 76.2 1015.4
05 04:51 Calm 16.09 Overcast BKN080 OVC250 23.3 21.1 88% 76.17 1015.0
05 03:51 Calm 16.09 Overcast FEW039 BKN050 OVC080 23.3 21.1 88% 76.2 1015.3 0.05 0.08
05 02:51 W 6 16.09 Rain SCT046 BKN060 OVC080 23.9 20.6 82% 24 76.23 1015.6 0.03
05 01:51 S 9 16.09 Overcast BKN042 OVC070 25 19.4 71% 26 76.23 1015.6
05 00:51 S 9 16.09 Mostly Cloudy FEW050 SCT110 BKN220 24.4 19.4 28.9 24.4 74% 25 76.23 1015.7
04 23:51 S 11 16.09 Partly Cloudy SCT050 SCT110 25 18.9 69% 26 76.25 1015.9
04 22:51 S 7 16.09 A Few Clouds FEW110 FEW250 25 18.9 69% 26 76.23 1015.7
04 21:51 S 9 16.09 A Few Clouds FEW110 FEW250 26.1 18.9 65% 27 76.2 1015.5
04 20:51 SW 6 16.09 A Few Clouds FEW110 FEW250 26.7 18.9 62% 28 76.2 1015.2
04 19:51 SW 9 16.09 A Few Clouds FEW110 FEW250 27.8 18.3 56% 29 76.17 1014.9
04 18:51 SW 11 16.09 A Few Clouds FEW050 FEW070 FEW250 28.9 18.3 30 27.2 53% 30 76.15 1014.6
04 17:51 SW 13 16.09 A Few Clouds FEW050 FEW250 28.9 17.8 51% 30 76.17 1014.9
04 16:51 W 13 16.09 Partly Cloudy SCT050 29.4 17.2 48% 30 76.17 1015.0
04 15:51 SW 17 16.09 Mostly Cloudy BKN055 29.4 16.7 46% 30 76.17 1015.0
04 14:51 SW 13 16.09 Mostly Cloudy BKN050 28.9 16.7 48% 29 76.17 1014.9
04 13:51 SW 17 16.09 Partly Cloudy SCT048 SCT250 28.9 17.8 51% 30 76.2 1015.2
04 12:51 SW 15 16.09 Partly Cloudy SCT044 SCT250 27.8 17.2 28.3 21.1 53% 28 76.2 1015.4
04 11:51 S 17 16.09 Partly Cloudy FEW036 SCT055 SCT250 27.8 17.8 55% 29 76.28 1016.4
04 10:51 SW 13 16.09 Partly Cloudy FEW032 SCT055 SCT250 26.1 18.3 62% 27 76.3 1016.9
04 09:51 SW 13 G 28 16.09 Partly Cloudy FEW030 FEW055 SCT250 25.6 18.3 64% 27 76.3 1016.9
04 08:51 SW 15 16.09 A Few Clouds FEW055 FEW250 24.4 18.3 69% 25 76.35 1017.4
04 07:51 SW 11 16.09 Partly Cloudy FEW042 SCT055 22.8 18.3 76% 76.35 1017.4
04 06:51 SW 9 16.09 A Few Clouds FEW045 FEW250 21.1 18.3 22.2 20.6 84% 76.3 1016.9
04 05:51 SW 9 16.09 A Few Clouds FEW045 20.6 17.8 84% 76.25 1016.0
04 04:51 SW 9 16.09 A Few Clouds FEW045 20.6 17.8 84% 76.23 1015.8
04 03:51 S 7 16.09 A Few Clouds FEW045 21.1 17.8 82% 76.2 1015.6
04 02:51 S 9 16.09 A Few Clouds FEW045 21.1 17.8 82% 76.2 1015.4
04 01:51 S 11 16.09 A Few Clouds FEW047 21.7 17.8 79% 76.23 1015.5
04 00:51 S 6 16.09 Partly Cloudy SCT045 21.7 17.8 25.6 21.7 79% 76.23 1015.8
03 23:51 SE 7 16.09 A Few Clouds FEW043 21.7 17.2 76% 76.2 1015.5
03 22:51 Vrbl 9 16.09 A Few Clouds FEW050 22.2 17.2 73% 76.17 1015.2
03 21:51 SE 6 16.09 A Few Clouds FEW050 22.2 16.7 71% 76.2 1015.4
03 20:51 E 9 16.09 A Few Clouds FEW110 23.3 17.2 69% 76.17 1015.1
03 19:51 E 15 16.09 A Few Clouds FEW045 23.9 16.7 64% 25 76.15 1014.7
03 18:51 E 15 16.09 A Few Clouds FEW045 25.6 16.7 28.3 25.6 58% 26 76.12 1014.5
03 17:51 E 19 16.09 A Few Clouds FEW047 26.7 16.7 54% 27 76.12 1014.4
03 16:51 E 15 16.09 A Few Clouds FEW047 27.2 16.7 53% 28 76.12 1014.4
03 15:51 E 15 16.09 Partly Cloudy SCT047 27.8 16.7 51% 28 76.12 1014.4
03 14:51 E 15 16.09 Partly Cloudy SCT041 27.8 17.8 55% 29 76.12 1014.5
03 13:51 E 17 16.09 Partly Cloudy SCT045 SCT060 27.8 17.8 55% 29 76.15 1014.8
03 12:51 E 7 16.09 Mostly Cloudy FEW035 SCT044 BKN060 27.2 16.7 27.2 18.3 53% 28 76.17 1014.9
03 11:51 Calm 16.09 Partly Cloudy FEW031 SCT048 25.6 18.3 64% 27 76.17 1015.3
03 10:51 Calm 16.09 Partly Cloudy SCT025 SCT038 24.4 18.3 69% 25 76.2 1015.4
03 09:51 Calm 16.09 A Few Clouds FEW013 23.9 18.9 74% 25 76.2 1015.5
03 08:51 Vrbl 6 16.09 A Few Clouds FEW009 22.2 18.9 82% 76.2 1015.4
03 07:51 N 7 16.09 Mostly Cloudy BKN006 20 17.8 87% 76.17 1015.0
03 06:51 N 6 16.09 Mostly Cloudy BKN005 18.3 16.7 18.9 16.7 90% 76.12 1014.5
03 05:51 N 9 16.09 A Few Clouds FEW010 16.7 15.6 93% 76.1 1014.2
03 04:51 N 6 16.09 A Few Clouds FEW025 17.2 15.6 90% 76.05 1013.5
03 03:51 N 11 16.09 A Few Clouds FEW100 17.2 15.6 90% 76.02 1013.2
03 02:51 N 9 16.09 Fair CLR 17.2 15 87% 76.02 1013.0
03 01:51 N 9 16.09 Fair CLR 17.8 15 84% 76 1012.7
03 00:51 N 13 16.09 Fair CLR 18.9 15.6 22.8 18.3 81% 76 1012.8
02 23:51 N 15 16.09 Fair CLR 18.9 16.1 84% 76 1012.9
02 22:51 N 15 16.09 Fair CLR 18.9 16.7 87% 75.97 1012.7
02 21:51 N 22 16.09 Fair CLR 20.6 16.7 78% 75.97 1012.5
02 20:51 N 20 16.09 A Few Clouds FEW020 20.6 16.7 78% 75.95 1012.1
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)