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.
15 01:51 S 24 G 48 16.09 Mostly Cloudy SCT080 BKN250 21.1 10.6 51% 76.15 1014.9
15 00:51 S 20 G 39 16.09 Mostly Cloudy SCT090 BKN250 20.6 10 20.6 20 51% 76.2 1015.4
14 23:51 S 17 G 35 16.09 Mostly Cloudy FEW065 BKN250 20 9.4 51% 76.2 1015.4
14 22:51 S 19 G 35 16.09 Mostly Cloudy SCT060 BKN250 20 8.9 49% 76.3 1016.9
14 21:51 SE 19 16.09 Mostly Cloudy BKN060 BKN250 20 7.8 45% 76.33 1017.3
14 20:51 SE 17 16.09 Mostly Cloudy FEW140 BKN250 20 7.2 44% 76.33 1017.2
14 19:51 SE 17 16.09 Mostly Cloudy FEW140 BKN250 20.6 6.7 41% 76.33 1017.6
14 18:51 SE 19 16.09 Mostly Cloudy SCT150 BKN250 20.6 6.1 21.7 20.6 39% 76.35 1017.9
14 17:51 SE 19 16.09 Mostly Cloudy FEW110 BKN250 21.1 6.7 39% 76.38 1018.2
14 16:51 SE 26 G 37 16.09 Overcast FEW080 SCT110 OVC250 21.1 6.7 39% 76.48 1019.4
14 15:51 S 17 16.09 Overcast SCT080 BKN110 BKN190 OVC250 21.1 7.2 41% 76.66 1021.8
14 14:51 SE 19 16.09 Overcast BKN095 OVC250 21.1 7.2 41% 76.63 1021.6
14 13:51 SE 15 16.09 Overcast OVC085 20.6 7.2 42% 76.71 1022.6
14 12:51 SE 15 16.09 Overcast BKN100 OVC250 21.1 7.8 21.7 12.8 42% 76.78 1023.4
14 11:51 SE 19 16.09 Overcast FEW100 OVC250 20.6 8.3 45% 76.81 1023.8
14 10:51 SE 17 16.09 Overcast FEW040 FEW100 OVC250 20.6 9.4 49% 76.81 1024.0
14 09:51 SE 13 16.09 Mostly Cloudy FEW035 FEW090 BKN250 19.4 9.4 53% 76.84 1024.2
14 08:51 SE 6 16.09 Partly Cloudy FEW030 SCT250 17.2 9.4 60% 76.84 1024.2
14 07:51 N 7 16.09 A Few Clouds FEW030 FEW090 FEW250 15 8.9 67% 76.86 1024.6
14 06:51 N 6 16.09 A Few Clouds FEW030 FEW250 12.8 8.3 12.8 11.7 74% 76.81 1023.9
14 05:51 Calm 16.09 A Few Clouds FEW030 12.2 9.4 83% 76.81 1023.9
14 04:51 Calm 16.09 Fair CLR 11.7 10 89% 76.81 1024.0
14 03:51 Calm 16.09 A Few Clouds FEW250 11.7 10 89% 76.81 1024.0
14 02:51 Calm 16.09 A Few Clouds FEW250 11.7 10.6 93% 76.78 1023.7
14 01:51 Calm 16.09 Fair CLR 12.2 10.6 90% 76.76 1023.2
14 00:51 W 6 16.09 Fair CLR 12.8 11.1 16.7 12.8 90% 76.73 1022.9
13 23:51 Calm 16.09 Fair CLR 13.3 11.1 87% 76.68 1022.2
13 22:51 SW 6 16.09 Fair CLR 13.9 11.7 87% 76.66 1021.9
13 21:51 W 6 16.09 Fair CLR 14.4 10.6 78% 76.63 1021.5
13 20:51 SW 6 16.09 A Few Clouds FEW250 15.6 10.6 72% 76.58 1020.7
13 19:51 NW 6 16.09 A Few Clouds FEW038 FEW160 FEW250 16.1 10 67% 76.53 1020.1
13 18:51 NW 15 16.09 A Few Clouds FEW038 FEW160 FEW250 16.7 10.6 22.8 16.7 67% 76.5 1019.7 0.05
13 17:51 NW 11 16.09 Mostly Cloudy FEW038 FEW100 BKN160 BKN250 17.8 10.6 63% 76.5 1019.8
13 16:51 W 13 16.09 Mostly Cloudy FEW038 FEW100 BKN160 BKN250 17.8 9.4 58% 76.5 1019.8
13 15:51 NW 11 16.09 Mostly Cloudy FEW038 SCT070 BKN100 BKN130 BKN250 17.8 11.7 68% 76.48 1019.4 0.03 0.05
13 14:51 SW 17 16.09 Overcast FEW025 FEW049 SCT110 BKN150 OVC250 17.8 11.7 68% 76.43 1018.7 0.03
13 13:51 N 15 16.09 Light Rain FEW050 BKN110 OVC200 20 10 53% 76.48 1019.4
13 12:51 NW 17 16.09 Mostly Cloudy FEW055 BKN110 BKN250 22.2 8.9 23.9 16.1 43% 76.48 1019.3
13 11:51 NW 13 16.09 Partly Cloudy FEW050 SCT110 SCT250 23.3 10 43% 76.48 1019.1
13 10:51 N 11 16.09 Partly Cloudy SCT250 21.1 11.1 53% 76.43 1018.6
13 09:51 N 15 16.09 Partly Cloudy SCT250 20.6 11.1 55% 76.38 1018.0
13 08:51 N 15 16.09 Partly Cloudy SCT085 SCT250 19.4 11.7 61% 76.28 1016.7
13 07:51 NW 7 16.09 Partly Cloudy SCT080 SCT110 SCT200 17.8 11.7 68% 76.3 1017.0
13 06:51 NW 9 16.09 Partly Cloudy SCT080 SCT250 16.7 11.1 21.7 16.7 70% 76.28 1016.5
13 05:51 NW 6 16.09 Partly Cloudy FEW170 SCT250 17.2 11.1 68% 76.2 1015.6
13 04:51 N 13 16.09 A Few Clouds FEW250 16.7 11.7 73% 76.15 1014.7
13 03:51 N 13 16.09 A Few Clouds FEW040 16.7 12.8 78% 76.1 1014.0
13 02:51 N 11 16.09 A Few Clouds FEW040 18.3 12.8 70% 76.1 1014.2
13 01:51 N 20 16.09 A Few Clouds FEW040 FEW250 20 13.3 65% 76.12 1014.3
13 00:51 NW 17 16.09 Partly Cloudy SCT040 SCT250 21.7 16.7 28.3 21.7 73% 76.1 1013.9
12 23:51 NW 11 16.09 Mostly Cloudy BKN036 BKN160 22.8 18.9 79% 76.07 1013.6
12 22:51 NW 7 16.09 Partly Cloudy SCT038 SCT160 22.8 18.9 79% 76.05 1013.2
12 21:51 NW 15 16.09 A Few Clouds FEW041 FEW160 23.3 19.4 79% 76.02 1012.9
12 20:51 NW 19 16.09 A Few Clouds FEW041 FEW250 24.4 19.4 74% 25 75.97 1012.3
12 19:51 NW 19 16.09 Mostly Cloudy BKN041 BKN250 26.1 20 69% 27 75.87 1010.8
12 18:51 W 9 16.09 Mostly Cloudy FEW050 SCT240 BKN250 28.3 19.4 31.1 28.3 59% 30 75.82 1010.2
12 17:51 SW 19 16.09 Mostly Cloudy FEW055 FEW070 SCT240 BKN300 28.9 18.3 53% 30 75.82 1010.2
12 16:51 SW 11 G 30 16.09 Mostly Cloudy FEW050 BKN240 BKN300 29.4 17.8 50% 30 75.79 1010.0
12 15:51 W 19 16.09 Mostly Cloudy FEW050 FEW120 BKN240 BKN300 30.6 17.2 45% 31 75.79 1009.7
12 14:51 W 19 G 35 16.09 Mostly Cloudy FEW050 FEW120 BKN210 BKN250 30 16.1 43% 30 75.82 1010.1
12 13:51 W 19 G 35 16.09 Mostly Cloudy SCT050 SCT200 BKN250 30.6 16.1 42% 31 75.84 1010.4
12 12:51 SW 15 G 30 16.09 Mostly Cloudy SCT047 BKN250 30 17.2 30 18.9 46% 30 75.84 1010.5
12 11:51 W 24 16.09 Partly Cloudy SCT045 SCT250 28.9 17.2 49% 29 75.84 1010.6
12 10:51 SW 15 16.09 A Few Clouds FEW043 FEW250 27.2 18.3 58% 28 75.84 1010.5
12 09:51 SW 13 16.09 A Few Clouds FEW250 26.1 19.4 67% 27 75.84 1010.7
12 08:51 SW 11 16.09 A Few Clouds FEW250 23.3 19.4 79% 75.87 1011.0
12 07:51 SW 7 16.09 Partly Cloudy FEW050 SCT250 21.1 17.8 82% 75.9 1011.6
12 06:51 S 7 16.09 Partly Cloudy FEW050 SCT250 18.9 17.2 21.1 18.9 90% 75.87 1011.1
12 05:51 S 7 16.09 Mostly Cloudy SCT055 BKN250 18.9 16.7 87% 75.82 1010.5
12 04:51 S 7 16.09 Partly Cloudy SCT055 SCT250 19.4 16.7 84% 75.82 1010.3
12 03:51 S 9 16.09 A Few Clouds FEW050 FEW250 19.4 16.1 81% 75.82 1010.4
12 02:51 S 7 16.09 A Few Clouds FEW050 FEW250 19.4 16.1 81% 75.84 1010.7
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)