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.
03 15:51 S 9 16.09 Partly Cloudy FEW075 SCT250 31.1 13.3 34% 30 76.48 1019.2
03 14:51 W 9 16.09 Mostly Cloudy BKN070 BKN085 31.1 12.8 33% 30 76.53 1019.9
03 13:51 SW 17 16.09 Partly Cloudy SCT065 30.6 13.3 35% 30 76.58 1020.5
03 12:51 S 15 16.09 A Few Clouds FEW060 FEW075 30.6 15 30.6 17.8 39% 30 76.63 1021.2
03 11:51 W 7 16.09 Fair CLR 28.9 15 43% 29 76.68 1021.8
03 10:51 SW 9 16.09 Fair CLR 27.2 15.6 49% 28 76.71 1022.4
03 07:51 SW 7 16.09 A Few Clouds FEW070 18.9 13.3 70% 76.73 1022.5
03 06:51 Calm 16.09 A Few Clouds FEW070 17.8 12.8 20.6 17.8 73% 76.71 1022.2
03 05:51 Calm 16.09 A Few Clouds FEW070 17.8 12.2 70% 76.68 1022.0
03 04:51 Calm 16.09 A Few Clouds FEW070 18.3 11.7 66% 76.68 1021.9
03 03:51 S 6 16.09 A Few Clouds FEW070 18.9 11.7 63% 76.68 1021.8
03 02:51 S 9 16.09 Fair CLR 19.4 11.1 59% 76.68 1021.9
03 01:51 S 11 16.09 Fair CLR 20 11.7 59% 76.71 1022.2
03 00:51 S 11 16.09 Fair CLR 20.6 12.2 23.9 20.6 59% 76.71 1022.1
02 23:51 S 11 16.09 Fair CLR 21.1 12.8 59% 76.71 1022.2
02 22:51 SE 9 16.09 Fair CLR 20.6 13.3 63% 76.71 1022.3
02 21:51 SE 9 16.09 Fair CLR 21.1 13.3 61% 76.68 1022.1
02 20:51 SE 7 16.09 Fair CLR 21.7 12.2 55% 76.68 1022.2
02 19:51 SE 11 16.09 A Few Clouds FEW250 22.8 12.8 53% 76.68 1022.1
02 18:51 E 17 16.09 A Few Clouds FEW075 FEW300 23.9 13.3 29.4 23.9 52% 25 76.66 1021.8
02 17:51 S 15 16.09 Partly Cloudy SCT300 27.2 11.1 37% 27 76.66 1021.6
02 16:51 S 9 16.09 Mostly Cloudy FEW070 BKN300 28.3 12.2 37% 28 76.66 1021.8
02 15:51 S 13 16.09 Mostly Cloudy FEW070 BKN300 28.3 12.2 37% 28 76.66 1021.8
02 14:51 S 9 16.09 Mostly Cloudy FEW070 BKN300 28.9 12.2 36% 28 76.68 1021.8
02 13:51 Vrbl 7 16.09 Mostly Cloudy FEW085 FEW250 BKN300 27.8 11.7 37% 27 76.71 1022.3
02 12:51 S 9 16.09 Mostly Cloudy FEW250 BKN300 26.1 11.7 26.1 15 41% 26 76.78 1023.2
02 11:51 Vrbl 7 16.09 Mostly Cloudy FEW250 BKN300 25 10.6 40% 26 76.81 1023.6
02 10:51 S 6 16.09 Mostly Cloudy SCT250 BKN300 22.2 10 46% 76.84 1024.1
02 09:51 S 7 16.09 Mostly Cloudy SCT250 BKN300 20 9.4 51% 76.86 1024.5
02 08:51 S 11 16.09 Mostly Cloudy FEW220 BKN250 17.8 9.4 58% 76.89 1024.7
02 07:51 SE 15 16.09 Mostly Cloudy FEW220 BKN250 15.6 8.9 65% 76.84 1024.3
02 06:51 SE 9 16.09 Mostly Cloudy BKN250 15 8.3 18.3 15 64% 76.81 1023.9
02 05:51 SE 9 16.09 Mostly Cloudy BKN250 15 7.8 62% 76.81 1023.7
02 04:51 SE 9 16.09 Mostly Cloudy BKN250 15.6 7.8 60% 76.78 1023.5
02 03:51 SE 9 16.09 Mostly Cloudy BKN250 16.1 6.7 54% 76.78 1023.5
02 02:51 SE 9 16.09 Mostly Cloudy BKN250 17.2 6.1 48% 76.78 1023.2
02 01:51 SE 11 16.09 Mostly Cloudy BKN250 17.2 7.8 54% 76.76 1023.1
02 00:51 SE 7 16.09 Mostly Cloudy BKN250 18.3 8.9 21.1 18.3 54% 76.76 1022.9
01 23:51 SE 19 16.09 Mostly Cloudy BKN250 20 10 53% 76.73 1022.6
01 22:51 SE 19 16.09 Mostly Cloudy BKN250 20.6 11.1 55% 76.71 1022.3
01 21:51 E 9 16.09 Overcast OVC250 20.6 15 70% 76.68 1022.1
01 20:51 E 15 16.09 Overcast OVC250 21.1 14.4 66% 76.66 1021.8
01 19:51 E 13 16.09 Overcast OVC300 21.1 14.4 66% 76.68 1022.0
01 18:51 NE 15 16.09 Mostly Cloudy FEW250 BKN300 21.1 15 24.4 21.1 68% 76.68 1022.1
01 17:51 NE 20 16.09 Mostly Cloudy FEW250 BKN300 22.2 15 64% 76.66 1021.7
01 16:51 NE 19 16.09 Mostly Cloudy BKN300 23.3 14.4 57% 76.66 1021.6
01 15:51 NE 20 16.09 Mostly Cloudy BKN300 23.3 13.9 56% 76.66 1021.5
01 14:51 E 19 16.09 Mostly Cloudy BKN300 23.3 12.8 52% 76.66 1021.7
01 13:51 E 20 16.09 Mostly Cloudy BKN250 24.4 13.3 50% 26 76.68 1021.9
01 12:51 E 15 16.09 Mostly Cloudy BKN250 22.8 12.8 23.3 17.2 53% 76.71 1022.3
01 11:51 E 17 16.09 Mostly Cloudy BKN250 23.3 13.3 54% 76.73 1022.8
01 10:51 E 11 16.09 Mostly Cloudy FEW020 BKN250 22.8 14.4 59% 76.76 1023.0
01 09:51 E 19 16.09 Mostly Cloudy FEW020 BKN250 21.7 13.3 59% 76.76 1023.1
01 08:51 E 9 16.09 Mostly Cloudy FEW020 FEW200 BKN250 20 14.4 70% 76.76 1023.0
01 07:51 E 9 16.09 Mostly Cloudy FEW200 BKN250 18.3 13.9 76% 76.71 1022.5
01 06:51 E 7 16.09 Mostly Cloudy FEW200 BKN250 17.2 12.2 20 17.2 73% 76.71 1022.3
01 05:51 E 7 16.09 Mostly Cloudy BKN250 18.3 12.8 70% 76.68 1021.9
01 04:51 E 6 16.09 Overcast OVC250 18.3 13.3 73% 76.68 1022.0
01 03:51 E 9 16.09 Overcast OVC250 18.9 13.9 73% 76.66 1021.5
01 02:51 E 9 16.09 Overcast OVC250 18.9 14.4 75% 76.63 1021.4
01 01:51 E 7 16.09 Overcast OVC250 19.4 14.4 73% 76.63 1021.1
01 00:51 NE 9 16.09 Overcast OVC300 20 15.6 21.1 19.4 76% 76.61 1020.8
30 23:51 NE 9 16.09 Overcast OVC300 19.4 16.1 81% 76.61 1020.8
30 22:51 NE 13 16.09 Overcast OVC300 20 16.7 81% 76.61 1020.7
30 21:51 NE 11 16.09 Overcast OVC300 19.4 16.7 84% 76.61 1020.8
30 20:51 NE 15 16.09 Mostly Cloudy BKN300 20 17.2 84% 76.58 1020.8
30 19:51 NE 15 16.09 Mostly Cloudy BKN300 20.6 16.7 78% 76.58 1020.7
30 18:51 NE 15 16.09 Mostly Cloudy BKN300 21.1 14.4 27.8 21.1 66% 76.58 1020.7
30 17:51 NE 22 16.09 Mostly Cloudy BKN300 23.9 13.9 54% 25 76.56 1020.3
30 16:51 NE 17 16.09 Mostly Cloudy BKN300 25.6 12.2 43% 26 76.56 1020.4
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)