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.
30 12:51 NE 11 16.09 Overcast FEW022 OVC100 13.9 7.8 14.4 7.2 67% 77.11 1028.3
30 11:51 E 9 16.09 Overcast FEW022 SCT110 BKN160 OVC250 14.4 8.3 67% 77.19 1029.2
30 10:51 E 15 16.09 Overcast FEW021 BKN110 OVC250 13.9 8.3 69% 77.17 1028.8
30 09:51 NE 15 16.09 Mostly Cloudy FEW020 SCT120 BKN230 13.3 8.3 72% 77.11 1028.2
30 08:51 N 7 16.09 Mostly Cloudy FEW020 SCT120 BKN220 10 6.1 77% 9 77.14 1028.4
30 07:51 N 7 14.48 Mostly Cloudy FEW020 BKN250 7.8 4.4 79% 7 77.06 1027.6
30 06:51 N 11 16.09 Mostly Cloudy FEW020 BKN250 7.8 2.8 10.6 6.7 71% 6 77.01 1026.8
30 05:51 N 7 16.09 Mostly Cloudy BKN250 7.8 2.2 68% 7 76.99 1026.5
30 04:51 N 9 16.09 A Few Clouds FEW250 8.3 2.2 66% 7 76.96 1026.3
30 03:51 N 11 16.09 A Few Clouds FEW250 7.2 2.2 71% 5 76.94 1025.7
30 02:51 N 13 16.09 A Few Clouds FEW250 9.4 2.2 61% 8 76.91 1025.3
30 01:51 N 6 16.09 A Few Clouds FEW250 10.6 1.7 54% 76.89 1025.0
30 00:51 Calm 16.09 A Few Clouds FEW250 10 1.7 16.1 10 57% 76.86 1024.5
29 23:51 NW 11 16.09 Fair CLR 11.1 1.7 53% 76.84 1024.2
29 22:51 NW 9 16.09 Fair CLR 13.3 1.1 44% 76.81 1024.1
29 21:51 NW 11 16.09 Fair CLR 13.3 2.2 47% 76.76 1023.2
29 20:51 W 7 16.09 Fair CLR 13.9 3.3 49% 76.71 1022.7
29 19:51 W 6 16.09 Fair CLR 15 2.8 44% 76.68 1022.2
29 18:51 NW 13 16.09 Fair CLR 16.1 2.2 20.6 16.1 39% 76.66 1021.8
29 17:51 NW 17 16.09 A Few Clouds FEW035 FEW250 18.3 3.3 37% 76.58 1020.9
29 16:51 NW 17 16.09 A Few Clouds FEW035 19.4 5 39% 76.56 1020.2
29 15:51 NW 11 16.09 A Few Clouds FEW037 FEW047 20.6 8.3 45% 76.5 1019.5
29 14:51 NW 17 16.09 Partly Cloudy FEW027 SCT038 SCT046 20 10.6 55% 76.45 1019.0
29 13:51 NW 15 16.09 Overcast BKN024 OVC038 19.4 12.8 66% 76.45 1018.9
29 12:51 W 13 16.09 Overcast BKN042 OVC110 18.9 12.2 18.9 16.7 65% 76.43 1018.8
29 11:51 W 15 16.09 Overcast OVC036 18.9 11.7 63% 76.43 1018.8
29 10:51 W 17 16.09 Mostly Cloudy FEW048 SCT100 BKN250 18.9 11.1 61% 76.4 1018.3
29 09:51 SW 19 16.09 Mostly Cloudy FEW040 SCT110 BKN140 BKN250 17.8 10.6 63% 76.38 1018.1
29 08:51 SW 20 G 35 16.09 Mostly Cloudy FEW070 SCT120 BKN250 17.8 10 60% 76.35 1017.5
29 07:51 SW 15 16.09 Mostly Cloudy FEW065 FEW130 BKN250 16.7 9.4 62% 76.3 1016.8
29 05:51 SW 20 16.09 Mostly Cloudy FEW075 SCT150 BKN250 17.2 9.4 60% 76.28 1016.7
29 04:51 SW 17 G 33 16.09 Mostly Cloudy FEW075 BKN140 BKN250 17.8 8.9 56% 76.3 1016.9
29 03:51 SW 15 G 35 16.09 Mostly Cloudy BKN075 BKN140 18.3 8.9 54% 76.3 1017.0
29 01:51 SW 24 G 39 16.09 Mostly Cloudy SCT090 BKN140 20 8.3 47% 76.35 1017.7
29 00:51 SW 20 G 31 16.09 Overcast BKN090 OVC140 19.4 8.9 20.6 19.4 51% 76.35 1017.7
28 23:51 S 20 G 41 16.09 Mostly Cloudy SCT090 BKN130 19.4 8.9 51% 76.35 1017.5
28 22:51 S 17 16.09 Mostly Cloudy BKN120 20 8.9 49% 76.4 1018.4
28 21:51 S 15 16.09 Mostly Cloudy BKN120 20 8.9 49% 76.4 1018.4
28 20:51 S 15 16.09 Partly Cloudy SCT100 20 10 53% 76.4 1018.4
28 19:51 S 17 16.09 A Few Clouds FEW095 20.6 10 51% 76.43 1018.7
28 18:51 S 11 16.09 A Few Clouds FEW095 20.6 10 24.4 20.6 51% 76.45 1019.1
28 17:51 S 9 16.09 A Few Clouds FEW085 22.2 10 46% 76.45 1019.0
28 16:51 S 19 G 30 16.09 A Few Clouds FEW080 FEW250 23.9 10 42% 25 76.45 1019.1
28 15:51 S 22 G 35 16.09 A Few Clouds FEW250 24.4 10 40% 25 76.48 1019.5
28 13:51 S 19 G 31 16.09 Fair CLR 23.3 10 43% 76.56 1020.4
28 12:51 S 13 16.09 Fair CLR 22.8 10 22.8 12.8 44% 76.61 1021.2
28 11:51 Vrbl 7 16.09 Fair CLR 22.2 10 46% 76.66 1021.9
28 10:51 SW 13 16.09 Fair CLR 20 9.4 51% 76.71 1022.7
28 09:51 S 11 16.09 A Few Clouds FEW085 17.8 9.4 58% 76.76 1023.1
28 08:51 S 7 16.09 A Few Clouds FEW085 15 9.4 69% 76.76 1023.2
28 07:51 S 6 16.09 Mostly Cloudy BKN090 13.9 9.4 74% 76.73 1022.9
28 06:51 S 6 16.09 Mostly Cloudy BKN095 12.8 8.9 15.6 12.8 77% 76.71 1022.8
28 05:51 S 6 16.09 A Few Clouds FEW110 FEW200 13.3 8.3 72% 76.71 1022.5
28 04:51 S 7 16.09 Partly Cloudy FEW110 SCT180 13.9 8.3 69% 76.68 1022.3
28 03:51 S 6 16.09 Mostly Cloudy BKN110 BKN180 15 8.3 64% 76.68 1022.3
28 02:51 S 9 16.09 Mostly Cloudy BKN120 BKN180 15 8.3 64% 76.68 1022.2
28 01:51 S 9 16.09 Mostly Cloudy BKN150 BKN200 15 8.9 67% 76.66 1021.9
28 00:51 S 6 16.09 Mostly Cloudy FEW150 BKN190 BKN250 14.4 8.9 18.9 13.9 70% 76.68 1022.0
27 23:51 S 9 16.09 Partly Cloudy SCT150 SCT250 14.4 8.9 70% 76.68 1022.1
27 22:51 S 7 16.09 Partly Cloudy FEW140 SCT250 15 10 72% 76.68 1022.4
27 21:51 S 7 16.09 Mostly Cloudy SCT140 BKN170 BKN250 16.7 9.4 62% 76.68 1022.2
27 19:51 S 7 16.09 Overcast BKN180 OVC250 18.3 10.6 61% 76.68 1022.3
27 18:51 SE 11 16.09 Overcast BKN170 OVC250 18.9 11.1 20.6 18.3 61% 76.68 1022.2
27 17:51 SE 9 16.09 Overcast BKN170 OVC250 18.9 10.6 59% 76.66 1021.8
27 16:51 SE 7 16.09 Overcast SCT210 OVC250 19.4 11.1 59% 76.66 1022.0
27 15:51 S 11 16.09 Mostly Cloudy BKN250 20 10.6 55% 76.66 1021.9
27 14:51 S 11 16.09 Mostly Cloudy FEW210 BKN250 20 11.1 57% 76.68 1022.1
27 13:51 SE 13 16.09 Mostly Cloudy SCT210 BKN250 20 11.1 57% 76.71 1022.5
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)