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.
31 07:51 SE 9 16.09 Mostly Cloudy SCT190 BKN250 24.4 16.7 62% 25 76.15 1014.7
31 06:51 S 7 16.09 Mostly Cloudy FEW200 BKN250 22.2 16.7 23.3 21.1 71% 76.17 1015.0
31 05:51 S 9 16.09 Mostly Cloudy BKN250 21.7 16.7 73% 76.17 1015.0
31 04:51 SE 7 16.09 Mostly Cloudy BKN250 21.1 16.7 76% 76.17 1015.1
31 03:51 SW 7 16.09 Mostly Cloudy BKN250 21.7 16.7 73% 76.17 1015.1
31 02:51 Calm 16.09 Mostly Cloudy BKN250 21.7 16.7 73% 76.23 1015.5
31 01:51 Calm 16.09 Mostly Cloudy BKN250 22.8 16.1 66% 76.23 1015.8
31 00:51 SW 6 16.09 Mostly Cloudy BKN250 23.3 16.7 28.3 23.3 67% 76.23 1015.8
30 23:51 S 6 16.09 Mostly Cloudy SCT200 BKN250 23.9 16.7 64% 25 76.25 1016.0
30 22:51 SW 6 16.09 Mostly Cloudy FEW200 BKN250 23.9 16.7 64% 25 76.28 1016.4
30 21:51 W 7 16.09 Mostly Cloudy FEW200 BKN250 25.6 16.1 56% 26 76.3 1016.6
30 20:51 E 7 16.09 Mostly Cloudy FEW180 BKN250 26.7 15.6 51% 27 76.25 1015.8
30 19:51 W 7 16.09 Mostly Cloudy FEW180 BKN250 27.2 15.6 49% 28 76.23 1015.7
30 18:51 W 11 16.09 Mostly Cloudy BKN250 28.3 15 30.6 28.3 44% 28 76.23 1015.8
30 17:51 SW 7 16.09 Mostly Cloudy BKN250 29.4 14.4 40% 29 76.25 1016.2
30 16:51 SW 9 16.09 Mostly Cloudy FEW045 BKN250 30 14.4 39% 30 76.28 1016.3
30 15:51 SW 11 16.09 Mostly Cloudy FEW045 BKN250 30 13.3 36% 29 76.3 1016.7
30 14:51 NW 7 16.09 Mostly Cloudy BKN250 30 13.3 36% 29 76.33 1017.2
30 13:51 Vrbl 11 16.09 Mostly Cloudy BKN250 29.4 13.3 37% 29 76.35 1017.6
30 12:51 Vrbl 7 16.09 Mostly Cloudy BKN250 29.4 13.9 29.4 18.9 39% 29 76.38 1017.8
30 11:51 SW 7 16.09 Partly Cloudy SCT250 28.3 12.8 38% 28 76.4 1018.0
30 10:51 Vrbl 6 16.09 Partly Cloudy SCT250 27.8 13.3 41% 28 76.4 1018.0
30 09:51 Vrbl 6 16.09 Partly Cloudy SCT250 26.1 12.8 44% 26 76.43 1018.4
30 08:51 SW 7 16.09 A Few Clouds FEW250 24.4 13.3 50% 26 76.43 1018.5
30 07:51 W 7 16.09 A Few Clouds FEW250 21.7 13.3 59% 76.4 1018.2
30 06:51 Calm 16.09 A Few Clouds FEW250 18.9 12.8 18.9 17.2 68% 76.35 1017.7
30 05:51 W 6 16.09 A Few Clouds FEW250 17.2 13.3 78% 76.35 1017.6
30 04:51 W 6 16.09 A Few Clouds FEW250 17.2 13.3 78% 76.35 1017.5
30 03:51 Calm 16.09 Fair CLR 17.8 13.3 75% 76.33 1017.2
30 02:51 W 6 16.09 Fair CLR 17.8 12.8 73% 76.33 1017.2
30 01:51 Calm 16.09 Fair CLR 18.3 12.8 70% 76.33 1017.3
30 00:51 W 6 16.09 Fair CLR 18.9 12.8 25 18.9 68% 76.33 1017.2
29 23:51 E 6 16.09 Fair CLR 20.6 13.3 63% 76.3 1016.9
29 22:51 N 7 16.09 Fair CLR 21.1 11.7 55% 76.28 1016.6
29 21:51 N 9 16.09 Fair CLR 21.7 10 47% 76.25 1016.2
29 20:51 NE 13 16.09 Fair CLR 22.2 9.4 44% 76.23 1015.8
29 19:51 NE 17 16.09 Fair CLR 23.9 8.9 39% 25 76.2 1015.5
29 18:51 NE 17 16.09 Fair CLR 25 8.9 26.7 25 36% 26 76.2 1015.5
29 17:51 NE 19 16.09 Fair CLR 25.6 10 37% 26 76.2 1015.6
29 16:51 N 19 16.09 A Few Clouds FEW040 26.7 11.1 38% 27 76.23 1015.8
29 15:51 NE 20 16.09 A Few Clouds FEW040 26.7 11.7 39% 27 76.2 1015.6
29 14:51 N 22 G 31 16.09 A Few Clouds FEW040 26.1 12.8 44% 26 76.25 1016.2
29 13:51 N 20 G 33 16.09 A Few Clouds FEW040 25.6 13.9 48% 26 76.28 1016.4
29 12:51 NE 22 16.09 A Few Clouds FEW036 25 14.4 25.6 17.8 52% 26 76.25 1016.2
29 11:51 NE 22 16.09 A Few Clouds FEW035 24.4 15 56% 26 76.25 1016.2
29 10:51 N 22 16.09 A Few Clouds FEW034 23.9 15 58% 25 76.23 1016.0
29 09:51 NE 17 16.09 A Few Clouds FEW030 23.3 14.4 57% 76.25 1016.1
29 08:51 N 17 16.09 A Few Clouds FEW030 21.7 16.1 71% 76.2 1015.4
29 07:51 N 19 16.09 A Few Clouds FEW250 20 16.1 78% 76.15 1014.9
29 06:51 N 15 16.09 A Few Clouds FEW250 17.8 15.6 18.3 16.7 87% 76.12 1014.4
29 05:51 N 15 16.09 Fair CLR 17.2 15 87% 76.07 1014.0
29 04:51 N 13 16.09 Fair CLR 17.2 14.4 84% 76.05 1013.4
29 03:51 N 13 16.09 Fair CLR 17.2 14.4 84% 76.02 1013.1
29 02:51 N 13 16.09 Fair CLR 17.8 15 84% 76.02 1013.0
29 01:51 N 11 16.09 Fair CLR 18.3 15 81% 76.02 1013.3
29 00:51 N 13 16.09 Fair CLR 18.3 15 23.3 18.3 81% 76.05 1013.4
28 23:51 NE 15 16.09 A Few Clouds FEW250 20 15 73% 76.05 1013.4
28 22:51 N 17 16.09 A Few Clouds FEW250 20 14.4 70% 76.02 1013.1
28 21:51 N 15 16.09 Partly Cloudy SCT250 20 13.3 65% 76 1012.9
28 20:51 NE 19 16.09 Mostly Cloudy BKN250 21.1 12.8 59% 75.95 1012.1
28 19:51 N 30 16.09 Partly Cloudy SCT250 21.7 11.7 53% 75.95 1012.2
28 18:51 N 22 16.09 A Few Clouds FEW250 23.3 11.7 26.7 23.3 48% 75.92 1011.8
28 17:51 NE 30 16.09 A Few Clouds FEW250 24.4 11.7 45% 26 75.9 1011.3
28 16:51 NE 22 16.09 Fair CLR 25 13.9 50% 26 75.87 1010.9
28 15:51 NE 26 16.09 A Few Clouds FEW030 26.1 14.4 49% 27 75.87 1010.9
28 14:51 NE 28 G 43 16.09 A Few Clouds FEW030 26.1 14.4 49% 27 75.9 1011.3
28 13:51 NE 28 16.09 A Few Clouds FEW027 26.1 15.6 52% 27 75.87 1010.9
28 12:51 N 28 16.09 A Few Clouds FEW026 25.6 16.7 25.6 20 58% 26 75.9 1011.3
28 11:51 NE 17 16.09 Partly Cloudy SCT025 23.9 17.8 69% 25 75.87 1011.1
28 10:51 NE 17 16.09 Partly Cloudy SCT019 22.8 17.8 74% 75.82 1010.4
28 09:51 NE 26 16.09 Mostly Cloudy BKN013 21.7 17.8 79% 75.77 1009.5
28 08:51 N 39 G 48 14.48 Overcast and Breezy OVC008 20.6 17.8 84% 75.77 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)