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.
22 09:51 N 15 16.09 Mostly Cloudy FEW038 BKN050 20 9.4 51% 76.38 1017.8
22 08:51 N 22 16.09 A Few Clouds FEW032 FEW250 18.9 8.9 52% 76.35 1017.5
22 07:51 N 19 16.09 A Few Clouds FEW030 FEW041 FEW250 17.8 9.4 58% 76.3 1017.0
22 06:51 N 19 16.09 Mostly Cloudy FEW027 FEW041 BKN250 16.1 10 18.9 15.6 67% 76.25 1016.3
22 05:51 N 19 16.09 Partly Cloudy FEW025 FEW040 SCT250 15.6 10 70% 76.23 1015.7
22 04:51 N 15 16.09 Partly Cloudy FEW035 SCT250 16.1 11.7 75% 76.17 1015.3
22 03:51 N 15 16.09 Mostly Cloudy SCT035 BKN250 17.8 11.7 68% 76.15 1014.8
22 02:51 NE 19 16.09 Mostly Cloudy BKN027 18.9 11.7 63% 76.12 1014.5
22 01:51 NE 20 16.09 Mostly Cloudy BKN027 BKN036 18.9 12.8 68% 76.1 1014.1
22 00:51 NE 20 16.09 Mostly Cloudy BKN023 BKN032 18.9 13.3 27.2 18.9 70% 76.07 1013.9
21 23:51 NE 30 16.09 Mostly Cloudy BKN023 BKN032 20 13.9 68% 76.05 1013.5
21 22:51 NE 30 G 43 16.09 Mostly Cloudy BKN022 BKN028 20.6 15.6 73% 76.05 1013.3
21 21:51 NE 31 G 41 16.09 Mostly Cloudy BKN021 BKN080 21.1 16.1 73% 75.97 1012.5
21 20:51 NE 28 16.09 Mostly Cloudy BKN019 BKN050 21.7 17.2 76% 75.84 1010.8
21 19:51 NE 37 16.09 Mostly Cloudy and Breezy FEW030 BKN050 BKN250 22.8 17.8 74% 75.74 1009.4
21 18:51 NW 28 G 44 16.09 A Few Clouds FEW055 FEW250 27.2 14.4 30.6 27.2 45% 27 75.64 1008.0
21 17:51 NW 22 G 52 16.09 Partly Cloudy SCT060 SCT250 28.3 15 44% 28 75.62 1007.4
21 16:51 NW 28 G 43 16.09 Partly Cloudy SCT060 28.3 14.4 43% 28 75.57 1006.7
21 15:51 NW 26 G 41 16.09 Partly Cloudy SCT055 30 15 40% 30 75.54 1006.4
21 14:51 NW 26 G 48 16.09 Mostly Cloudy SCT050 BKN250 30 15.6 42% 30 75.51 1006.1
21 13:51 NW 26 G 39 16.09 Mostly Cloudy BKN050 BKN250 28.9 16.7 48% 29 75.51 1006.3
21 12:51 NW 28 G 43 16.09 Partly Cloudy FEW043 SCT055 28.9 16.7 29.4 23.3 48% 29 75.49 1005.9
21 11:51 W 22 G 37 16.09 Mostly Cloudy SCT038 BKN050 28.3 17.8 53% 29 75.46 1005.6
21 10:51 NW 20 G 35 16.09 Mostly Cloudy SCT039 BKN049 27.8 18.3 56% 29 75.44 1005.0
21 09:51 W 17 16.09 A Few Clouds FEW032 27.2 19.4 62% 29 75.41 1004.7
21 08:51 W 17 16.09 A Few Clouds FEW250 25.6 20 71% 27 75.41 1004.9
21 07:51 W 17 16.09 Partly Cloudy FEW090 SCT250 23.9 20 79% 24 75.41 1004.9
21 06:51 W 11 16.09 Mostly Cloudy SCT090 BKN250 23.3 20.6 25 23.3 85% 75.39 1004.5
21 05:51 W 7 16.09 Mostly Cloudy FEW045 BKN070 BKN150 BKN250 23.3 20.6 85% 75.39 1004.4
21 04:51 W 11 16.09 Thunderstorm FEW046CB SCT095 BKN150 BKN250 23.9 21.1 84% 24 75.31 1003.6
21 03:51 W 13 G 30 16.09 Thunderstorm SCT040CB BKN095 OVC150 24.4 21.1 82% 25 75.34 1003.8
21 02:51 W 15 G 30 16.09 Overcast SCT037 BKN047 OVC150 25 21.1 79% 26 75.34 1003.9
21 01:51 W 17 14.48 Mostly Cloudy BKN044 BKN250 24.4 21.7 85% 25 75.34 1003.9
21 00:51 W 13 11.27 Mostly Cloudy SCT050 BKN250 24.4 21.7 26.1 24.4 85% 25 75.36 1004.1
20 23:51 W 19 G 35 9.66 Mostly Cloudy with Haze FEW050 BKN250 24.4 21.7 85% 25 75.36 1004.2
20 22:51 SW 22 G 33 9.66 Mostly Cloudy with Haze BKN250 24.4 21.1 82% 25 75.41 1004.6
20 21:51 SW 19 9.66 Mostly Cloudy with Haze BKN250 24.4 20.6 79% 25 75.41 1005.0
20 20:51 SW 19 G 39 8.05 Partly Cloudy with Haze SCT250 25.6 20 71% 27 75.44 1005.4
20 19:51 SW 26 G 41 8.05 Overcast with Haze FEW090 SCT150 OVC250 26.1 20 69% 27 75.46 1005.7
20 18:51 SW 24 G 39 8.05 Overcast with Haze SCT085 BKN150 OVC250 26.1 20 27.8 25 69% 27 75.62 1007.7
20 17:51 SW 22 G 31 8.05 Mostly Cloudy with Haze SCT200 BKN300 27.2 18.9 61% 28 75.67 1008.3
20 16:51 S 24 G 37 8.05 A Few Clouds with Haze FEW035 FEW250 27.8 18.3 56% 29 75.57 1006.9
20 15:51 S 24 8.05 Partly Cloudy with Haze SCT250 27.2 18.3 58% 28 75.67 1008.4
20 14:51 S 20 G 39 8.05 Mostly Cloudy with Haze FEW030 FEW150 SCT220 BKN250 26.1 18.3 62% 27 75.79 1009.9
20 13:51 SW 22 G 35 11.27 Overcast FEW035 BKN110 BKN180 OVC250 25 17.8 64% 26 75.84 1010.9
20 12:51 SW 22 G 33 11.27 Overcast SCT150 BKN200 OVC250 25.6 17.8 26.1 19.4 62% 27 75.95 1012.1
20 11:51 SW 15 11.27 Overcast BKN200 OVC250 25.6 17.2 60% 27 75.95 1012.2
20 10:51 S 15 9.66 Overcast with Haze OVC250 25 17.2 62% 26 76.02 1013.0
20 09:51 SW 9 9.66 Overcast with Haze OVC250 24.4 16.7 62% 25 76.05 1013.5
20 08:51 SW 15 9.66 Mostly Cloudy with Haze FEW140 BKN250 23.3 16.1 64% 76 1012.6
20 07:51 SW 9 9.66 Mostly Cloudy with Haze FEW200 BKN250 21.7 16.7 73% 76.05 1013.6
20 06:51 SW 6 8.05 Smoke BKN250 19.4 16.1 20 18.3 81% 76.05 1013.6
20 05:51 Calm 6.44 Smoke FEW200 18.3 15.6 84% 76.05 1013.5
20 04:51 Calm 8.05 Fair with Haze CLR 18.9 15.6 81% 76.07 1013.6
20 03:51 Calm 8.05 A Few Clouds with Haze FEW200 18.3 15 81% 76.07 1013.8
20 02:51 Calm 8.05 A Few Clouds with Haze FEW200 18.9 15.6 81% 76.12 1014.3
20 01:51 Calm 8.05 A Few Clouds with Haze FEW200 19.4 15.6 79% 76.12 1014.5
20 00:51 Calm 8.05 Fair with Haze CLR 20 15.6 24.4 20 76% 76.15 1014.8
19 23:51 SE 7 9.66 Fair with Haze CLR 20.6 15 70% 76.17 1015.3
19 22:51 E 7 9.66 Fair with Haze CLR 21.1 15.6 71% 76.2 1015.5
19 21:51 E 9 12.87 Fair CLR 21.1 15 68% 76.23 1015.6
19 20:51 E 11 11.27 A Few Clouds FEW250 22.2 14.4 61% 76.17 1015.2
19 19:51 NE 11 12.87 A Few Clouds FEW250 22.8 13.3 55% 76.17 1015.2
19 18:51 N 17 12.87 A Few Clouds FEW250 24.4 13.3 26.7 24.4 50% 26 76.17 1015.0
19 17:51 NE 15 12.87 A Few Clouds FEW035 FEW250 25.6 12.8 45% 26 76.17 1015.1
19 15:51 NE 15 12.87 A Few Clouds FEW035 26.1 13.9 47% 27 76.23 1015.7
19 14:51 NE 13 12.87 A Few Clouds FEW035 FEW250 26.1 14.4 49% 27 76.28 1016.3
19 13:51 NE 15 12.87 A Few Clouds FEW033 FEW250 25.6 15 52% 26 76.3 1016.7
19 12:51 NE 17 12.87 Partly Cloudy FEW033 SCT250 25 15 25 21.7 54% 26 76.3 1016.7
19 11:51 NE 19 12.87 Partly Cloudy SCT032 SCT250 23.9 15.6 60% 25 76.33 1017.1
19 10:51 E 15 12.87 Partly Cloudy SCT031 SCT250 24.4 15.6 58% 26 76.33 1017.2
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)