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.
08 21:51 SE 9 10.00 Mostly Cloudy BKN140 35.1 21.9 59% 29 30.14 1021.3
08 20:51 E 7 10.00 Fair CLR 34 21 59% 29 30.13 1021.1
08 19:51 E 9 10.00 Mostly Cloudy SCT170 BKN250 36 21 55% 30 30.12 1020.8
08 18:51 E 8 10.00 Mostly Cloudy SCT170 BKN250 37.9 19.9 45 37.9 48% 33 30.12 1020.7
08 17:51 E 12 10.00 A Few Clouds FEW250 39.9 19 43% 34 30.12 1020.5
08 16:51 NW 8 10.00 A Few Clouds FEW250 45 10.9 25% 41 30.12 1020.5
08 15:51 W 9 10.00 A Few Clouds FEW250 43 9 25% 38 30.12 1020.7
08 14:51 SW 9 10.00 A Few Clouds FEW250 42.1 10.9 28% 37 30.14 1021.2
08 12:51 NW 5 10.00 A Few Clouds FEW065 37.9 10 39.9 26.1 31% 35 30.17 1022.4
08 11:51 W 9 10.00 A Few Clouds FEW008 37 10.9 34% 31 30.19 1023.2
08 10:51 NW 8 10.00 A Few Clouds FEW040 35.1 12 38% 29 30.21 1023.6
08 09:51 W 8 10.00 A Few Clouds FEW040 32 10.9 41% 25 30.2 1023.4
08 08:51 NW 6 10.00 A Few Clouds FEW040 30.9 14 49% 26 30.2 1023.4
08 07:51 NW 8 10.00 A Few Clouds FEW040 28 12.9 53% 21 30.19 1023.2
08 06:51 NW 7 10.00 A Few Clouds FEW040 26.1 12.9 28 25 57% 19 30.17 1022.3
08 05:51 NW 7 10.00 A Few Clouds FEW035 25 12 58% 18 30.15 1021.7
08 04:51 N 7 10.00 Fair CLR 26.1 14 60% 19 30.14 1021.3
08 03:51 N 7 10.00 A Few Clouds FEW035 26.1 14 60% 19 30.12 1020.6
08 02:51 N 7 10.00 A Few Clouds FEW035 28 15.1 58% 22 30.11 1020.3
08 01:51 N 7 10.00 A Few Clouds FEW035 27 18 69% 20 30.11 1020.4
08 00:51 N 9 10.00 A Few Clouds FEW035 28 19 34 27 69% 20 30.11 1020.5
07 23:51 N 8 10.00 A Few Clouds FEW035 30 19 64% 23 30.11 1020.3
07 22:51 N 9 10.00 Partly Cloudy SCT032 SCT065 30.9 19.9 64% 24 30.1 1020.1
07 21:51 NE 14 10.00 Mostly Cloudy SCT027 BKN065 32 21 64% 23 30.1 1019.9
07 20:51 NE 15 10.00 Mostly Cloudy FEW027 SCT055 BKN070 33.1 21 61% 24 30.09 1019.3
07 19:51 NE 13 10.00 Mostly Cloudy SCT055 BKN070 33.1 21.9 64% 25 30.06 1018.6
07 18:51 NE 17 10.00 Mostly Cloudy FEW028 BKN065 33.1 21.9 39 33.1 64% 23 30.04 1017.9
07 17:51 NE 16 10.00 Mostly Cloudy FEW027 SCT040 BKN065 34 21.9 61% 24 30.03 1017.3
07 14:51 NE 25 G 38 10.00 Mostly Cloudy and Breezy SCT038 BKN046 BKN200 37 21 52% 26 29.97 1015.4
07 13:51 N 25 G 35 10.00 Mostly Cloudy and Breezy BKN032 37.9 24.1 57% 27 29.96 1014.8
07 12:51 NE 28 G 36 7.00 Light Snow and Windy BKN024 BKN028 OVC034 36 27 46 36 70% 24 29.94 1014.4
07 11:51 NE 28 G 39 10.00 Overcast and Windy BKN020 BKN025 OVC034 37 28 70% 26 29.92 1013.7
07 10:51 NE 23 G 33 10.00 Overcast and Breezy BKN016 OVC030 37.9 30.9 76% 28 29.88 1012.5
07 09:51 N 14 G 25 10.00 Overcast BKN035 OVC044 43 30.9 63% 37 29.84 1011.0
07 08:51 N 17 G 25 10.00 Mostly Cloudy BKN030 BKN090 43 30.9 63% 36 29.8 1009.6
07 07:51 W 10 G 18 10.00 Mostly Cloudy BKN095 42.1 26.1 53% 37 29.77 1008.7
07 06:51 W 13 G 22 10.00 Mostly Cloudy BKN095 43 24.1 43 39.9 47% 37 29.75 1007.8
07 05:51 SW 12 G 24 10.00 Partly Cloudy SCT100 41 24.1 51% 35 29.75 1007.6
07 04:51 SW 13 G 24 10.00 A Few Clouds FEW100 42.1 25 51% 36 29.77 1008.4
07 03:51 SW 12 10.00 A Few Clouds FEW110 39.9 26.1 58% 34 29.8 1009.6
07 02:51 SW 12 10.00 A Few Clouds FEW120 39.9 27 60% 34 29.83 1010.5
07 01:51 SW 9 10.00 Fair CLR 41 26.1 55% 36 29.87 1011.6
07 00:51 S 10 10.00 Fair CLR 39.9 24.1 45 39.9 53% 34 29.89 1012.6
06 23:51 S 8 10.00 A Few Clouds FEW250 39.9 21 47% 35 29.92 1013.5
06 22:51 S 6 10.00 Fair CLR 39.9 19.9 45% 36 29.95 1014.4
06 21:51 S 7 10.00 Fair CLR 41 21 45% 37 29.97 1015.1
06 20:51 S 8 10.00 A Few Clouds FEW180 42.1 19.9 41% 38 29.98 1015.8
06 19:51 SE 7 10.00 A Few Clouds FEW180 FEW250 42.1 19.9 41% 38 29.99 1016.0
06 18:51 SE 7 10.00 A Few Clouds FEW060 FEW180 FEW250 45 19.9 50 45 37% 42 29.99 1016.0
06 17:51 SE 10 10.00 Mostly Cloudy FEW060 SCT180 BKN250 48 21 34% 44 30 1016.4
06 16:51 SE 9 10.00 Mostly Cloudy FEW060 SCT180 BKN250 46 21.9 38% 42 30.02 1017.1
06 15:51 Vrbl 5 10.00 Mostly Cloudy FEW060 SCT180 BKN250 48.9 21.9 35% 48 30.02 1017.0
06 14:51 SE 7 10.00 Mostly Cloudy FEW060 SCT180 BKN250 48 24.1 39% 45 30.06 1018.2
06 12:51 E 3 10.00 A Few Clouds FEW060 FEW250 48 21 48 35.1 34% 30.1 1019.6
06 11:51 E 7 10.00 A Few Clouds FEW060 FEW170 FEW250 46.9 21.9 37% 44 30.12 1020.3
06 10:51 NE 8 10.00 Partly Cloudy FEW060 FEW170 SCT250 45 21.9 40% 41 30.13 1020.6
06 09:51 NE 12 10.00 Partly Cloudy FEW170 SCT250 44.1 28.9 55% 39 30.13 1020.8
06 08:51 N 8 10.00 Mostly Cloudy BKN170 BKN250 39 26.1 60% 34 30.14 1021.0
06 07:51 N 6 10.00 Mostly Cloudy BKN170 BKN250 36 21 55% 32 30.14 1021.2
06 05:51 N 9 10.00 Mostly Cloudy BKN250 35.1 19 52% 29 30.12 1020.3
06 04:51 N 13 10.00 Mostly Cloudy BKN250 36 19 50% 28 30.09 1019.2
06 02:51 N 14 10.00 Mostly Cloudy BKN250 37 21 52% 29 30.1 1019.5
06 01:51 N 13 10.00 Overcast OVC250 39 21 48% 32 30.12 1020.3
06 00:51 N 15 10.00 Mostly Cloudy BKN250 39.9 28 50 39 63% 32 30.11 1020.0
05 23:51 N 6 10.00 Mostly Cloudy FEW043 BKN250 39.9 32 73% 36 30.1 1019.7
05 22:51 N 6 10.00 Mostly Cloudy FEW045 FEW200 BKN250 41 34 76% 38 30.1 1019.6
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)