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.
19 09:51 SW 6 16.09 Fair CLR 12.8 3.9 55% 77.24 1029.9
19 08:51 S 6 16.09 Fair CLR 10.6 3.9 64% 77.24 1029.8
19 07:51 S 6 16.09 Fair CLR 7.2 2.8 74% 77.22 1029.5
19 06:51 S 6 16.09 Fair CLR 6.1 3.3 10 6.1 82% 77.22 1029.5
19 05:51 Calm 16.09 Fair CLR 6.7 2.8 76% 77.22 1029.6
19 04:51 Calm 16.09 Fair CLR 6.7 2.8 76% 77.17 1029.0
19 03:51 SW 6 16.09 Fair CLR 7.8 2.8 71% 77.14 1028.6
19 02:51 SW 7 16.09 Fair CLR 8.9 2.8 66% 8 77.14 1028.6
19 01:51 SW 9 16.09 Fair CLR 10 2.2 59% 9 77.14 1028.4
19 00:51 S 11 16.09 Fair CLR 10 2.2 13.9 9.4 59% 9 77.11 1028.2
18 23:51 S 11 16.09 Fair CLR 10 2.2 59% 9 77.11 1028.3
18 22:51 S 9 16.09 Fair CLR 11.1 2.2 55% 77.14 1028.4
18 21:51 S 11 16.09 Fair CLR 11.7 1.7 51% 77.11 1028.1
18 20:51 S 13 16.09 Fair CLR 12.2 1.7 49% 77.11 1028.2
18 19:51 S 15 16.09 Fair CLR 12.8 1.7 47% 77.11 1028.2
18 18:51 S 13 16.09 Fair CLR 13.9 1.1 17.2 13.9 42% 77.09 1027.9
18 17:51 S 13 G 31 16.09 Fair CLR 16.1 0 34% 77.06 1027.7
18 16:51 S 15 G 33 16.09 Fair CLR 17.2 0.6 33% 77.06 1027.6
18 15:51 S 20 G 35 16.09 Fair CLR 17.2 1.1 34% 77.06 1027.7
18 14:51 SW 26 G 37 16.09 Fair CLR 16.7 1.7 37% 77.11 1028.2
18 13:51 S 22 G 33 16.09 A Few Clouds FEW025 16.1 1.1 36% 77.17 1029.0
18 12:51 SW 20 G 35 16.09 Fair CLR 15 1.7 15 5.6 41% 77.27 1030.2
18 11:51 SW 26 G 39 16.09 Fair CLR 13.9 0.6 41% 77.29 1030.7
18 10:51 S 24 G 35 16.09 Fair CLR 13.3 1.1 44% 77.34 1031.2
18 09:51 SW 17 G 33 16.09 Fair CLR 11.1 0.6 49% 77.34 1031.5
18 08:51 S 19 G 30 16.09 A Few Clouds FEW250 8.9 -0.6 52% 6 77.34 1031.6
18 07:51 S 13 16.09 A Few Clouds FEW250 6.1 0 65% 4 77.34 1031.5
18 06:51 S 9 16.09 A Few Clouds FEW250 6.1 0.6 7.2 6.1 68% 4 77.34 1031.4
18 05:51 SW 15 16.09 Fair CLR 6.7 1.1 68% 4 77.32 1031.0
18 04:51 SW 9 16.09 Fair CLR 6.7 1.1 68% 5 77.29 1030.6
18 03:51 S 11 16.09 Fair CLR 7.2 1.1 66% 5 77.24 1030.1
18 02:51 S 11 16.09 Fair CLR 6.7 1.7 71% 5 77.24 1030.1
18 01:51 S 9 16.09 Fair CLR 7.2 1.7 68% 6 77.24 1030.1
18 00:51 S 17 16.09 Fair CLR 7.2 2.2 11.1 7.2 71% 5 77.24 1030.1
17 23:51 S 17 16.09 Fair CLR 7.2 2.2 71% 5 77.27 1030.3
17 22:51 S 15 16.09 Fair CLR 7.8 2.2 68% 6 77.29 1030.8
17 21:51 SW 15 16.09 Fair CLR 8.3 2.2 66% 6 77.29 1030.7
17 20:51 SW 11 16.09 Fair CLR 9.4 2.2 61% 8 77.29 1030.8
17 19:51 S 15 16.09 Fair CLR 10 2.2 59% 8 77.29 1030.9
17 18:51 S 15 16.09 Fair CLR 11.1 1.7 13.9 11.1 53% 77.27 1030.6
17 17:51 SW 17 16.09 Fair CLR 12.2 1.1 47% 77.29 1030.6
17 16:51 S 17 16.09 Fair CLR 13.3 1.1 44% 77.29 1030.7
17 15:51 SW 20 16.09 Fair CLR 13.3 1.1 44% 77.32 1030.9
17 14:51 Vrbl 9 16.09 A Few Clouds FEW035 13.3 2.2 47% 77.34 1031.5
17 13:51 SW 13 16.09 A Few Clouds FEW035 12.8 1.7 47% 77.42 1032.5
17 12:51 Vrbl 11 16.09 A Few Clouds FEW030 12.2 2.2 12.2 3.9 51% 77.5 1033.4
17 11:51 Vrbl 6 16.09 A Few Clouds FEW030 11.1 2.8 57% 77.55 1034.0
17 10:51 Calm 16.09 A Few Clouds FEW040 10 2.2 59% 77.55 1034.3
17 09:51 Calm 16.09 A Few Clouds FEW040 8.3 0 56% 77.57 1034.4
17 08:51 Calm 16.09 Mostly Cloudy FEW033 BKN041 6.7 -0.6 60% 77.55 1034.3
17 07:51 Calm 16.09 Partly Cloudy SCT034 SCT042 3.9 -1.1 70% 77.5 1033.4
17 06:51 NW 9 16.09 Partly Cloudy SCT030 SCT040 4.4 -1.7 5.6 3.9 65% 2 77.44 1033.0
17 05:51 NW 15 16.09 A Few Clouds FEW045 4.4 -2.2 63% 1 77.42 1032.6
17 04:51 NW 19 16.09 A Few Clouds FEW050 4.4 -2.2 63% 1 77.37 1031.9
17 03:51 NW 17 16.09 A Few Clouds FEW050 4.4 -1.7 65% 1 77.34 1031.5
17 02:51 N 19 16.09 A Few Clouds FEW050 4.4 -1.7 65% 1 77.34 1031.4
17 01:51 N 22 G 37 16.09 A Few Clouds FEW050 5 -1.7 62% 1 77.32 1031.1
17 00:51 N 22 16.09 A Few Clouds FEW050 5.6 -1.1 9.4 5.6 62% 2 77.29 1030.9
16 23:51 N 19 G 35 16.09 A Few Clouds FEW050 6.1 0.6 68% 3 77.27 1030.3
16 22:51 N 26 16.09 A Few Clouds FEW030 FEW050 7.2 2.2 71% 4 77.22 1029.8
16 21:51 N 26 16.09 A Few Clouds FEW045 FEW055 7.8 2.8 71% 4 77.14 1028.8
16 20:51 N 22 16.09 A Few Clouds FEW043 FEW055 7.8 2.8 71% 5 77.09 1028.0
16 19:51 N 20 16.09 A Few Clouds FEW045 FEW065 8.3 3.9 74% 5 77.01 1027.0
16 18:51 N 30 G 44 16.09 Mostly Cloudy SCT045 BKN065 8.9 4.4 13.9 8.9 74% 5 76.94 1025.8 0.03
16 17:51 N 17 16.09 Mostly Cloudy SCT043 BKN065 9.4 6.1 80% 7 76.81 1024.3 0.03
16 16:51 N 30 G 46 16.09 Mostly Cloudy BKN043 BKN065 12.8 3.9 55% 76.68 1022.4
16 15:51 N 33 16.09 Mostly Cloudy and Breezy SCT041 BKN055 13.3 3.9 53% 76.58 1021.1
16 14:51 N 30 G 46 16.09 Mostly Cloudy BKN038 BKN055 12.2 5.6 64% 76.5 1020.0
16 13:51 N 26 16.09 Mostly Cloudy FEW028 BKN033 BKN055 13.3 6.7 65% 76.43 1019.0
16 12:51 N 39 G 50 16.09 Overcast and Breezy FEW024 BKN037 OVC055 12.2 6.7 12.2 10.6 69% 76.38 1018.4
16 11:51 NW 19 16.09 Mostly Cloudy BKN021 BKN026 BKN042 12.2 7.8 75% 76.33 1017.6
16 10:51 W 24 G 33 16.09 Overcast OVC023 11.1 6.1 72% 76.3 1017.1
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)