Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
30 03:51 S 7 10.00 A Few Clouds FEW150 52 36 55% 29.94 1013.9
30 02:51 S 6 10.00 Partly Cloudy SCT150 50 33.1 52% 48 29.96 1014.5
30 01:51 Calm 10.00 Fair CLR 51.1 32 48% 29.98 1015.1
30 00:51 S 5 10.00 Fair CLR 52 32 61 52 47% 29.98 1015.3
29 23:51 S 7 10.00 Fair CLR 53.1 32 45% 30 1015.8
29 22:51 S 6 10.00 A Few Clouds FEW055 55 30.9 40% 30.02 1016.8
29 21:51 SW 6 10.00 Mostly Cloudy SCT050 BKN250 57 30.9 37% 30.03 1017.0
29 20:51 S 9 G 18 10.00 Overcast BKN043 BKN055 OVC250 59 30 33% 30.03 1017.0
29 19:51 SW 14 G 21 10.00 Overcast BKN048 BKN060 OVC250 60.1 28 30% 30.02 1016.7
29 18:51 SW 13 G 20 10.00 Overcast BKN045 BKN060 OVC250 61 27 63 61 27% 30.02 1016.8
29 17:51 SW 15 G 23 10.00 Overcast SCT050 BKN065 OVC250 62.1 26.1 25% 30.02 1016.6
29 16:51 S 14 G 24 10.00 Overcast BKN070 OVC250 62.1 26.1 25% 30.03 1017.2
29 15:51 S 14 G 23 10.00 Mostly Cloudy SCT065 BKN080 BKN250 63 25 24% 30.06 1018.1
29 14:51 SW 14 G 22 10.00 Overcast OVC070 62.1 23 22% 30.09 1019.0
29 13:51 SW 15 G 26 10.00 Mostly Cloudy BKN080 BKN200 BKN250 62.1 21 21% 30.11 1019.6
29 12:51 S 15 G 23 10.00 Mostly Cloudy BKN090 BKN200 BKN250 60.1 24.1 60.1 41 25% 30.14 1020.7
29 11:51 S 16 G 22 10.00 Mostly Cloudy BKN100 BKN250 57.9 25 28% 30.16 1021.5
29 10:51 SW 15 10.00 Mostly Cloudy BKN100 BKN250 54 25 33% 30.19 1022.5
29 09:51 SW 13 G 24 10.00 Mostly Cloudy BKN110 BKN250 50 26.1 39% 46 30.2 1022.9
29 08:51 SW 15 10.00 Mostly Cloudy BKN110 BKN250 46 26.1 46% 40 30.21 1023.5
29 07:51 S 12 10.00 Mostly Cloudy BKN110 BKN250 43 27 53% 37 30.22 1023.6
29 05:51 S 9 10.00 Mostly Cloudy FEW120 SCT210 BKN250 41 28 60% 36 30.23 1024.2
29 04:51 SW 7 10.00 Mostly Cloudy FEW120 BKN210 BKN250 41 28.9 62% 37 30.24 1024.4
29 03:51 SW 7 10.00 Mostly Cloudy SCT110 SCT220 BKN250 41 28.9 62% 37 30.26 1025.0
29 01:51 SW 7 10.00 Overcast BKN200 OVC250 43 28 56% 39 30.28 1025.9
29 00:51 SW 10 10.00 Overcast FEW110 SCT200 OVC250 44.1 28 48 43 53% 39 30.29 1026.2
28 23:51 S 13 10.00 Mostly Cloudy FEW110 BKN250 44.1 27 51% 38 30.29 1026.1
28 22:51 S 12 10.00 Mostly Cloudy FEW110 BKN250 44.1 27 51% 39 30.29 1026.3
28 21:51 S 12 G 22 10.00 Mostly Cloudy SCT100 BKN250 45 26.1 48% 40 30.3 1026.8
28 20:51 S 10 10.00 Mostly Cloudy BKN100 BKN250 46 25 44% 42 30.33 1027.5
28 19:51 SW 13 G 20 10.00 Mostly Cloudy BKN100 BKN250 46.9 23 39% 42 30.33 1027.8
28 18:51 S 13 10.00 Mostly Cloudy BKN110 BKN250 48 21.9 48 41 36% 43 30.34 1028.2
28 17:51 SW 14 G 23 10.00 Mostly Cloudy BKN120 BKN250 48 21 34% 43 30.37 1028.9
28 16:51 SW 16 G 23 10.00 Mostly Cloudy BKN120 BKN250 46.9 19 33% 41 30.4 1030.1
28 15:51 SW 14 10.00 Partly Cloudy FEW120 FEW170 SCT250 46.9 19 33% 42 30.43 1031.1
28 14:51 SW 13 G 20 10.00 Partly Cloudy FEW170 SCT250 45 18 34% 39 30.49 1033.0
28 13:51 SW 13 G 21 10.00 Partly Cloudy FEW180 SCT250 43 16 34% 37 30.52 1034.2
28 12:51 SW 7 G 20 10.00 Mostly Cloudy SCT170 BKN250 41 14 41 25 33% 37 30.57 1035.9
28 11:51 SW 9 10.00 Mostly Cloudy BKN170 BKN250 37.9 12 34% 32 30.6 1036.9
28 10:51 SW 6 10.00 A Few Clouds FEW250 35.1 12 38% 31 30.62 1037.5
28 09:51 S 3 10.00 A Few Clouds FEW250 32 12 43% 30.64 1038.3
28 08:51 S 3 10.00 A Few Clouds FEW025 FEW250 30 12 47% 30.64 1038.3
28 07:51 W 5 10.00 A Few Clouds FEW025 FEW250 28.9 14 54% 25 30.65 1038.6
28 06:51 N 7 10.00 A Few Clouds FEW025 FEW250 26.1 12 30 24.1 55% 19 30.61 1037.3
28 05:51 N 6 10.00 Fair CLR 26.1 12 55% 20 30.59 1036.6
28 04:51 N 7 10.00 Fair CLR 25 12.9 60% 18 30.61 1037.2
28 03:51 N 8 10.00 Fair CLR 28 12.9 53% 21 30.61 1037.2
28 02:51 N 10 10.00 Fair CLR 28 15.1 58% 19 30.59 1036.7
28 00:51 N 7 10.00 Fair CLR 30 23 43 30 75% 24 30.58 1036.2
27 23:51 NE 7 10.00 A Few Clouds FEW065 33.1 24.1 70% 28 30.54 1035.0
27 22:51 N 8 10.00 Partly Cloudy SCT070 34 25 70% 28 30.52 1034.3
27 21:51 NE 5 10.00 Mostly Cloudy BKN070 36 25 64% 33 30.49 1033.2
27 20:51 SE 3 10.00 Mostly Cloudy BKN075 36 25 64% 30.46 1032.3
27 19:51 E 7 10.00 Mostly Cloudy BKN080 37 24.1 59% 32 30.43 1031.0
27 18:51 NW 14 G 21 10.00 Mostly Cloudy BKN075 43 16 46 39.9 34% 37 30.4 1030.2
27 17:51 N 16 G 24 10.00 Mostly Cloudy BKN065 44.1 17.1 34% 37 30.38 1029.5
27 16:51 NW 15 G 23 10.00 Mostly Cloudy BKN060 44.1 17.1 34% 38 30.38 1029.2
27 15:51 NW 16 G 24 10.00 Mostly Cloudy BKN055 44.1 19 37% 37 30.38 1029.3
27 14:51 NW 13 G 25 10.00 Mostly Cloudy BKN050 44.1 19.9 38% 38 30.38 1029.5
27 12:51 NW 13 G 23 10.00 A Few Clouds FEW036 41 19.9 41 30.9 43% 34 30.39 1029.6
27 11:51 N 9 10.00 A Few Clouds FEW032 37.9 21 51% 32 30.4 1030.0
27 10:51 N 14 G 20 10.00 Partly Cloudy SCT028 35.1 21.9 59% 27 30.41 1030.6
27 09:51 N 17 G 25 10.00 Mostly Cloudy BKN026 34 21 59% 24 30.4 1030.2
27 08:51 NE 14 10.00 Mostly Cloudy BKN024 33.1 21.9 64% 24 30.37 1029.2
27 07:51 N 13 10.00 Mostly Cloudy BKN023 32 21.9 66% 23 30.37 1029.0
27 06:51 N 17 10.00 Mostly Cloudy BKN023 BKN210 32 21.9 32 30.9 66% 22 30.33 1027.8
27 05:51 N 20 10.00 Mostly Cloudy SCT023 BKN200 32 23 69% 21 30.3 1026.6
27 04:51 N 22 G 32 10.00 Mostly Cloudy and Breezy SCT020 BKN200 32 24.1 73% 20 30.28 1025.9
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)