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.
30 00:51 S 24 G 39 16.09 Fair CLR 27.8 23.9 31.7 27.8 79% 32 75.92 1011.4
29 23:51 S 17 G 35 16.09 A Few Clouds FEW035 28.3 24.4 79% 33 75.95 1011.7
29 22:51 S 17 16.09 A Few Clouds FEW040 FEW250 28.9 24.4 77% 34 75.97 1012.1
29 21:51 S 17 G 31 16.09 Partly Cloudy SCT038 SCT250 29.4 23.9 72% 34 75.97 1012.2
29 20:51 S 17 G 35 16.09 Partly Cloudy FEW035 SCT250 30 23.9 70% 35 75.95 1011.8
29 19:51 S 22 G 43 16.09 Mostly Cloudy FEW043 BKN250 31.1 22.8 61% 35 75.92 1011.6
29 18:51 S 31 G 48 16.09 Mostly Cloudy SCT042 BKN250 31.7 22.8 33.3 31.1 59% 36 75.9 1011.0
29 17:51 S 22 G 43 16.09 Mostly Cloudy FEW043 SCT200 BKN250 32.8 23.3 57% 38 75.87 1010.8
29 16:51 S 31 G 48 16.09 Mostly Cloudy FEW042 FEW200 BKN250 33.3 22.8 54% 38 75.87 1011.0
29 15:51 S 26 G 46 16.09 Mostly Cloudy FEW042 SCT200 BKN250 33.3 22.8 54% 38 75.9 1011.1
29 14:51 S 24 G 44 16.09 Mostly Cloudy SCT039 BKN200 BKN250 32.8 23.3 57% 38 75.92 1011.5
29 13:51 S 26 G 39 16.09 Mostly Cloudy SCT035 BKN200 BKN250 32.2 23.9 62% 38 75.95 1012.0
29 12:51 SW 19 16.09 Mostly Cloudy BKN032 BKN200 BKN250 31.7 23.9 32.2 25 63% 37 76 1012.5
29 11:51 S 22 16.09 Mostly Cloudy SCT029 BKN250 31.7 23.9 63% 37 75.97 1012.3
29 10:51 S 20 16.09 Partly Cloudy SCT022 SCT250 30 23.9 70% 35 75.97 1012.2
29 09:51 SW 26 G 33 16.09 Partly Cloudy SCT018 SCT250 28.9 23.9 74% 33 76 1012.5
29 08:51 S 17 16.09 Mostly Cloudy BKN014 27.2 23.9 82% 30 76.02 1012.8
29 07:51 S 19 16.09 Mostly Cloudy BKN010 BKN300 26.7 23.9 85% 29 76.02 1013.0
29 06:51 S 19 16.09 Mostly Cloudy BKN009 BKN110 25 23.3 25.6 24.4 90% 26 76.02 1012.8
29 05:51 S 13 16.09 A Few Clouds FEW110 FEW250 24.4 22.8 91% 24 75.97 1012.4
29 04:51 SE 13 16.09 A Few Clouds FEW020 24.4 22.2 88% 25 75.97 1012.4
29 03:51 S 13 16.09 A Few Clouds FEW020 FEW120 25 22.2 85% 26 75.97 1012.4
29 02:51 SE 15 16.09 Partly Cloudy FEW020 SCT120 25.6 22.2 82% 27 75.97 1012.3
29 01:51 S 11 16.09 Mostly Cloudy FEW020 BKN120 25.6 22.2 82% 27 76 1012.5
29 00:51 SE 13 16.09 Mostly Cloudy FEW020 BKN110 BKN250 25 21.7 26.7 23.9 82% 26 75.97 1012.2
28 23:51 SE 13 16.09 Mostly Cloudy SCT028 BKN110 BKN250 25 21.7 82% 26 75.97 1012.4
28 22:51 SE 15 16.09 Mostly Cloudy SCT034 BKN110 BKN200 BKN250 25 21.1 79% 26 75.97 1012.1
28 21:51 E 9 16.09 Overcast SCT110 SCT190 OVC250 23.9 20.6 82% 24 75.95 1011.9
28 20:51 E 15 16.09 Mostly Cloudy FEW031 FEW075 BKN170 BKN250 23.9 20.6 82% 24 75.9 1011.4
28 19:51 E 9 16.09 Overcast FEW031 BKN160 BKN200 OVC250 26.7 21.7 74% 29 75.87 1011.1
28 18:51 S 9 16.09 Overcast FEW080 SCT120 BKN200 OVC250 26.7 21.7 27.2 25 74% 29 75.74 1009.3
28 17:51 S 33 G 61 16.09 Overcast and Breezy FEW080 SCT110 BKN170 OVC250 25.6 20.6 74% 27 75.51 1006.2
28 16:51 SE 22 16.09 Overcast FEW028 FEW045 BKN160 OVC250 25 20.6 77% 26 75.92 1011.9
28 15:51 NE 17 16.09 Overcast SCT028 SCT050 BKN210 OVC250 25.6 20.6 74% 27 76.12 1014.6
28 14:51 E 15 16.09 Overcast SCT028 BKN045 OVC250 26.1 20.6 72% 28 76.07 1013.9
28 13:51 E 15 16.09 Overcast BKN029 BKN035 OVC250 27.2 20.6 67% 29 76.05 1013.4
28 12:51 E 19 16.09 Overcast OVC032 26.7 20 27.2 20 67% 28 76.02 1013.0
28 11:51 E 15 G 30 16.09 Mostly Cloudy SCT029 BKN250 26.7 20 67% 28 76 1012.8
28 10:51 E 19 16.09 Mostly Cloudy SCT031 BKN250 26.1 19.4 67% 27 76.02 1012.9
28 09:51 E 13 16.09 Mostly Cloudy BKN250 25 19.4 71% 26 76 1012.8
28 08:51 E 13 16.09 Mostly Cloudy FEW020 BKN250 23.9 19.4 76% 24 76.05 1013.4
28 07:51 Calm 16.09 A Few Clouds FEW025 FEW250 22.2 18.3 79% 76.02 1013.0
28 06:51 N 9 16.09 A Few Clouds FEW025 FEW250 20 16.7 20 16.7 81% 76.02 1013.2
28 05:51 N 6 16.09 A Few Clouds FEW250 17.8 15.6 87% 76 1012.9
28 04:51 N 9 16.09 A Few Clouds FEW250 17.2 15 87% 76 1012.8
28 03:51 NE 11 16.09 A Few Clouds FEW250 17.8 15 84% 76 1012.8
28 02:51 NE 11 16.09 Mostly Cloudy FEW065 BKN250 18.3 14.4 78% 76 1012.9
28 01:51 N 9 16.09 Overcast FEW032 BKN070 OVC250 18.9 14.4 75% 76.02 1013.3
28 00:51 N 11 16.09 Overcast BKN055 OVC250 18.9 14.4 22.2 18.9 75% 76.05 1013.5
27 23:51 N 9 16.09 Overcast FEW038 BKN055 OVC250 18.9 14.4 75% 76.1 1014.0
27 22:51 NE 15 16.09 Overcast BKN055 OVC250 18.9 13.9 73% 76.1 1014.2
27 21:51 NE 19 16.09 Overcast BKN055 OVC250 19.4 14.4 73% 76.1 1014.3
27 20:51 NE 19 16.09 Overcast BKN055 OVC250 20 15 73% 76.07 1013.9
27 19:51 NE 19 16.09 Mostly Cloudy FEW037 BKN060 BKN250 20.6 15 70% 76.05 1013.5
27 18:51 NE 20 16.09 Overcast FEW037 BKN050 OVC250 22.2 15.6 24.4 22.2 66% 76.05 1013.7
27 17:51 NE 20 16.09 Mostly Cloudy BKN045 BKN075 BKN250 23.3 15.6 62% 76.05 1013.4
27 16:51 NE 20 G 31 16.09 Mostly Cloudy FEW025 FEW070 BKN250 24.4 16.7 62% 25 76.05 1013.5
27 15:51 NE 19 16.09 Mostly Cloudy FEW025 FEW070 BKN250 23.9 16.7 64% 25 76.1 1014.1
27 14:51 NE 22 G 39 16.09 Mostly Cloudy FEW025 BKN070 BKN250 23.9 17.2 66% 25 76.1 1014.3
27 13:51 NE 20 16.09 Mostly Cloudy FEW025 BKN070 23.3 17.2 69% 76.15 1015.0
27 12:51 NE 17 16.09 Overcast FEW025 OVC065 22.8 16.7 23.9 17.8 69% 76.17 1015.4
27 11:51 E 20 G 31 16.09 Mostly Cloudy FEW026 SCT085 BKN250 23.9 17.2 66% 25 76.15 1014.9
27 10:51 E 13 16.09 Mostly Cloudy FEW026 SCT070 BKN085 22.8 16.7 69% 76.2 1015.6
27 09:51 E 11 16.09 Mostly Cloudy BKN085 BKN250 21.7 17.2 76% 76.17 1015.2
27 08:51 NE 9 16.09 Mostly Cloudy BKN060 BKN090 20 16.1 78% 76.23 1015.9
27 07:51 NE 11 16.09 Overcast OVC060 18.9 16.1 84% 76.2 1015.9
27 06:51 NE 11 16.09 Overcast OVC060 17.8 15.6 18.3 16.1 87% 76.2 1015.8
27 05:51 N 9 16.09 Mostly Cloudy BKN055 17.2 15 87% 76.2 1015.6
27 04:51 N 13 16.09 Overcast OVC055 16.7 15 90% 76.15 1015.0
27 03:51 N 9 16.09 Overcast BKN047 OVC055 16.7 15 90% 76.17 1015.4
27 02:51 N 9 16.09 Overcast OVC060 16.1 14.4 90% 76.2 1015.6
27 01:51 NE 11 16.09 Overcast OVC050 16.1 14.4 90% 76.23 1016.0
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)