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.
08 20:51 SE 9 16.09 Mostly Cloudy BKN250 13.3 6.1 62% 75.41 1005.5
08 19:51 SE 17 16.09 Mostly Cloudy FEW070 BKN250 15 6.7 58% 75.41 1005.4
08 18:51 E 13 16.09 Mostly Cloudy SCT065 BKN085 BKN250 16.1 7.2 19.4 16.1 56% 75.41 1005.6
08 17:51 SE 20 16.09 Mostly Cloudy SCT060 BKN080 BKN250 17.2 8.3 56% 75.44 1005.8
08 16:51 E 19 16.09 Mostly Cloudy BKN070 BKN250 17.8 7.8 52% 75.46 1006.1
08 15:51 SE 15 16.09 Mostly Cloudy BKN085 BKN250 18.9 7.8 49% 75.46 1006.1
08 14:51 S 15 16.09 Mostly Cloudy BKN070 BKN250 18.9 5 40% 75.54 1007.1
08 13:51 SE 9 16.09 Mostly Cloudy SCT065 BKN250 18.9 3.3 36% 75.59 1007.8
08 12:51 SE 7 16.09 Mostly Cloudy FEW050 BKN250 17.2 3.3 17.8 6.7 40% 75.67 1008.6
08 11:51 SE 7 16.09 Mostly Cloudy FEW035 FEW090 SCT200 BKN250 17.2 1.1 34% 75.72 1009.6
08 10:51 S 7 16.09 Mostly Cloudy SCT085 BKN250 15 1.7 41% 75.77 1010.3
08 09:51 Vrbl 6 16.09 Partly Cloudy SCT090 13.3 5 57% 75.82 1010.7
08 08:51 Vrbl 6 12.87 Mostly Cloudy BKN085 11.1 6.7 75% 75.82 1010.8
08 07:51 E 7 11.27 Mostly Cloudy BKN095 8.9 6.1 83% 8 75.82 1011.1
08 06:51 Calm 12.87 Mostly Cloudy BKN100 6.7 4.4 7.2 3.3 85% 75.82 1011.1
08 05:51 Calm 9.66 Fog/Mist SCT120 5 3.3 89% 75.82 1010.9
08 04:51 Calm 11.27 A Few Clouds FEW110 5 3.3 89% 75.82 1011.2
08 03:51 N 7 11.27 A Few Clouds FEW110 5 3.3 89% 4 75.82 1011.1
08 02:51 Calm 11.27 A Few Clouds FEW090 5.6 4.4 92% 75.87 1011.4
08 01:51 N 13 12.87 A Few Clouds FEW090 5.6 4.4 92% 3 75.87 1011.6
08 00:51 N 6 16.09 A Few Clouds FEW085 6.7 5 14.4 6.1 89% 75.84 1011.4
07 23:51 Calm 16.09 Fair CLR 8.3 5.6 83% 75.84 1011.1
07 22:51 Calm 16.09 A Few Clouds FEW080 10 4.4 68% 75.79 1010.6
07 21:51 S 7 16.09 A Few Clouds FEW070 11.7 4.4 61% 75.77 1010.3
07 20:51 S 6 16.09 A Few Clouds FEW070 12.8 2.2 49% 75.74 1009.9
07 19:51 SW 11 16.09 A Few Clouds FEW060 FEW090 13.9 2.2 45% 75.69 1009.3
07 18:51 SW 13 16.09 Partly Cloudy FEW060 FEW090 SCT250 14.4 3.3 15.6 10 48% 75.69 1009.2 0.05
07 17:51 S 11 16.09 Mostly Cloudy FEW047 SCT065 BKN250 13.3 5 57% 75.72 1009.6 0.03
07 16:51 N 13 16.09 Thunderstorm Light Rain BKN048CB BKN065 BKN250 10.6 3.9 64% 75.79 1010.7 0.03
07 15:51 W 41 G 63 16.09 Thunderstorm Light Rain and Breezy BKN055CB BKN075 BKN250 12.8 2.2 49% 75.72 1009.7
07 14:51 SW 26 G 52 16.09 Mostly Cloudy SCT049 BKN065 BKN250 15 2.8 44% 75.79 1010.5
07 13:51 SW 33 G 56 16.09 Mostly Cloudy and Breezy BKN070CB BKN090 BKN250 15 -0.6 35% 75.82 1011.0
07 12:51 SW 17 G 31 16.09 Mostly Cloudy FEW070 BKN085 BKN250 14.4 -1.7 15 3.9 33% 75.9 1012.0
07 11:51 SW 22 G 33 16.09 Mostly Cloudy SCT100 SCT160 BKN250 13.3 -3.3 32% 75.97 1013.1
07 10:51 W 13 16.09 A Few Clouds FEW090 FEW250 12.2 -3.3 34% 76.05 1014.2
07 09:51 SW 15 16.09 A Few Clouds FEW090 10 -3.9 38% 8 76.12 1015.0
07 08:51 W 6 16.09 Mostly Cloudy BKN090 8.3 -3.3 44% 76.15 1015.5
07 07:51 SW 7 16.09 Mostly Cloudy BKN085 6.7 -3.3 49% 6 76.15 1015.6
07 06:51 SW 7 16.09 A Few Clouds FEW090 3.9 -2.8 5 2.8 62% 2 76.15 1015.4
07 05:51 W 7 16.09 A Few Clouds FEW090 FEW250 2.8 -3.3 65% 1 76.12 1015.1
07 04:51 W 6 16.09 A Few Clouds FEW250 2.8 -2.8 67% 76.12 1015.2
07 03:51 W 7 16.09 Partly Cloudy SCT250 3.3 -3.3 62% 2 76.12 1015.2
07 02:51 W 7 16.09 Partly Cloudy SCT250 3.9 -3.3 60% 2 76.12 1015.2
07 01:51 W 9 16.09 A Few Clouds FEW250 4.4 -3.3 58% 2 76.15 1015.4
07 00:51 SW 7 16.09 Fair CLR 5 -3.3 11.1 5 55% 4 76.15 1015.6
06 23:51 W 6 16.09 Fair CLR 6.1 -3.9 49% 76.17 1015.7
06 22:51 NW 9 16.09 Fair CLR 6.7 -4.4 45% 5 76.15 1015.6
06 21:51 NW 13 16.09 Fair CLR 7.8 -4.4 42% 6 76.15 1015.5
06 20:51 W 15 16.09 Fair CLR 8.3 -5 39% 6 76.1 1014.9
06 19:51 NW 22 G 35 16.09 A Few Clouds FEW075 FEW250 9.4 -4.4 38% 7 76.07 1014.5
06 18:51 W 31 G 46 16.09 Mostly Cloudy BKN075 BKN250 11.1 -4.4 14.4 11.1 34% 76.02 1013.8
06 17:51 W 24 G 37 16.09 Mostly Cloudy BKN070 BKN250 12.2 -3.9 33% 76 1013.4
06 16:51 W 22 G 46 16.09 Mostly Cloudy BKN070 BKN250 12.8 -3.9 31% 75.97 1013.0
06 15:51 SW 19 G 44 16.09 Mostly Cloudy BKN075 BKN250 13.3 -4.4 29% 75.95 1012.9
06 14:51 W 17 G 37 16.09 Mostly Cloudy BKN075 BKN250 13.9 -4.4 28% 76 1013.2
06 13:51 W 28 G 44 16.09 Mostly Cloudy BKN075 BKN250 12.8 -3.9 31% 76.02 1013.5
06 12:51 W 17 G 31 16.09 Mostly Cloudy BKN070 BKN250 12.2 -4.4 12.8 7.2 31% 76.02 1013.5
06 11:51 W 22 G 41 16.09 Mostly Cloudy BKN070 BKN250 12.2 -5 30% 76.02 1013.8
06 10:51 W 19 16.09 Mostly Cloudy SCT070 SCT190 BKN250 11.7 -5 31% 76.02 1013.8
06 09:51 W 15 16.09 Mostly Cloudy FEW060 FEW200 BKN250 11.1 -4.4 34% 76.05 1013.9
06 08:51 Calm 16.09 Mostly Cloudy FEW210 BKN250 10 -3.3 39% 76.02 1013.8
06 07:51 Calm 16.09 Mostly Cloudy BKN250 8.3 -2.8 46% 75.97 1013.1
06 06:51 Calm 16.09 Mostly Cloudy FEW200 BKN250 7.2 0 9.4 5 61% 75.95 1012.6
06 05:51 NW 6 16.09 Mostly Cloudy FEW110 BKN200 6.1 -1.7 58% 75.9 1012.1
06 04:51 N 6 16.09 Mostly Cloudy FEW110 BKN210 5.6 -2.2 58% 75.84 1011.5
06 03:51 N 6 16.09 Mostly Cloudy BKN240 5.6 -2.2 58% 75.87 1011.7
06 02:51 N 7 16.09 A Few Clouds FEW140 6.7 -1.7 55% 6 75.82 1011.1
06 01:51 N 17 16.09 Partly Cloudy FEW140 SCT250 8.3 -1.7 50% 6 75.79 1010.7
05 23:51 N 15 16.09 Overcast FEW110 BKN140 OVC250 9.4 -1.7 46% 7 75.74 1010.1
05 22:51 N 19 16.09 Overcast FEW110 BKN140 OVC250 11.1 -3.3 37% 75.74 1010.0
05 21:51 W 7 16.09 Overcast BKN140 BKN200 OVC250 11.7 -2.8 37% 75.72 1009.7
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)