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.
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 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
27 00:51 NE 13 16.09 Overcast OVC055 16.1 14.4 16.7 15.6 90% 76.25 1016.3
26 23:51 NE 15 16.09 Overcast FEW008 OVC070 16.1 14.4 90% 76.28 1016.8
26 22:51 NE 15 16.09 Mostly Cloudy SCT008 BKN080 15.6 13.9 90% 76.33 1017.3
26 21:51 NE 15 16.09 Mostly Cloudy SCT009 BKN080 16.1 14.4 90% 76.33 1017.3
26 20:51 NE 15 16.09 Overcast SCT009 OVC080 16.1 14.4 90% 76.3 1017.1
26 19:51 NE 15 16.09 Overcast FEW009 FEW040 OVC090 16.1 14.4 90% 76.3 1017.1
26 18:51 NE 17 16.09 Overcast FEW007 FEW040 OVC090 16.7 13.9 18.3 16.7 84% 76.3 1017.1 0.08
26 17:51 NE 15 16.09 Overcast FEW010 SCT080 OVC100 16.7 14.4 86% 76.3 1017.2 0.03
26 16:51 NE 15 14.48 Light Rain FEW015 SCT070 OVC110 16.7 14.4 86% 76.33 1017.4
26 15:51 N 19 16.09 Overcast FEW013 FEW045 OVC120 17.2 14.4 84% 76.35 1017.7 0.05
26 14:51 NE 15 16.09 Overcast FEW013 SCT045 OVC120 17.8 14.4 81% 76.38 1018.2
26 13:51 N 15 16.09 Light Rain FEW010 FEW040 OVC120 17.2 15 87% 76.4 1018.6 0.05
26 11:51 NE 15 16.09 Overcast FEW030 BKN110 OVC140 18.9 12.2 65% 76.43 1018.7
26 10:51 E 17 16.09 Light Rain FEW060 OVC110 17.8 13.3 75% 76.45 1019.2
26 09:51 NE 15 16.09 Light Rain FEW050 BKN120 OVC190 17.8 12.8 73% 76.43 1018.9
26 08:51 E 11 16.09 Overcast BKN140 OVC190 18.3 12.8 70% 76.43 1018.6
26 07:51 E 15 16.09 Mostly Cloudy BKN140 BKN190 BKN250 17.8 13.3 75% 76.4 1018.2
26 06:51 NE 13 16.09 Mostly Cloudy BKN150 BKN220 17.2 12.8 17.2 16.1 76% 76.38 1017.8
26 05:51 E 11 16.09 Mostly Cloudy FEW150 BKN220 16.7 12.2 75% 76.38 1017.8
26 04:51 NE 11 16.09 Mostly Cloudy BKN230 16.7 13.3 80% 76.3 1016.9
26 03:51 N 7 16.09 A Few Clouds FEW250 16.7 13.9 84% 76.3 1016.8
26 02:51 NE 7 16.09 A Few Clouds FEW250 16.7 13.3 80% 76.25 1016.1
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)