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 02:51 NW 6 16.09 Partly Cloudy SCT250 18.9 18.3 96% 76.02 1012.9
19 01:51 SW 9 16.09 Fair CLR 19.4 18.3 93% 75.97 1012.3
19 00:51 SW 7 16.09 A Few Clouds FEW130 19.4 18.3 24.4 19.4 93% 75.95 1011.9 0.33
18 23:51 SW 6 16.09 A Few Clouds FEW110 19.4 18.9 97% 75.97 1012.2
18 22:51 SW 9 16.09 Partly Cloudy FEW080 SCT110 19.4 18.9 97% 75.97 1012.3 0.33
18 21:51 NW 37 G 54 4.83 Thunderstorm Light Rain Fog/Mist and Breezy BKN040CB BKN060 BKN085 OVC130 22.8 19.4 81% 76.05 1013.4
18 20:51 SW 9 16.09 Mostly Cloudy FEW035 SCT070 BKN120 BKN250 24.4 19.4 74% 25 75.97 1012.5
18 19:51 SW 11 16.09 Mostly Cloudy FEW037 FEW075 BKN110 BKN250 24.4 19.4 74% 25 75.95 1011.9
18 18:51 SW 13 16.09 Mostly Cloudy FEW037 SCT085 BKN130 BKN250 24.4 18.3 26.1 24.4 69% 25 75.97 1012.4
18 17:51 SW 17 16.09 Mostly Cloudy FEW037 BKN100 BKN250 25 18.9 69% 26 76 1012.7
18 16:51 SW 13 16.09 Overcast FEW037 BKN100 OVC250 25 18.9 69% 26 76.02 1013.0
18 15:51 SW 17 16.09 Overcast SCT031 BKN130 OVC250 25.6 18.9 67% 27 76.02 1013.2
18 14:51 SW 22 G 31 16.09 Overcast FEW040 BKN130 OVC250 26.1 18.3 62% 27 76.07 1013.9
18 13:51 W 13 16.09 Overcast FEW040 BKN130 OVC250 25.6 18.3 64% 27 76.12 1014.4
18 12:51 SW 19 16.09 Overcast FEW045 FEW120 BKN150 OVC250 26.1 17.2 27.2 19.4 58% 27 76.15 1014.6
18 11:51 SW 17 G 31 16.09 Mostly Cloudy FEW150 BKN250 26.1 16.7 56% 27 76.15 1014.9
18 10:51 SW 17 16.09 Mostly Cloudy SCT150 BKN220 BKN250 25 16.7 60% 26 76.23 1015.6
18 09:51 SW 11 16.09 Mostly Cloudy FEW120 BKN250 22.8 17.2 71% 76.17 1015.3
18 08:51 SW 9 16.09 Mostly Cloudy FEW110 BKN250 21.7 17.2 76% 76.2 1015.6
18 07:51 SW 11 16.09 Mostly Cloudy FEW110 FEW200 BKN300 21.1 16.7 76% 76.23 1015.7
18 06:51 SW 6 16.09 Mostly Cloudy FEW200 BKN300 19.4 16.7 20.6 18.9 84% 76.23 1015.9
18 05:51 SW 9 16.09 Partly Cloudy FEW070 SCT300 18.9 16.7 87% 76.23 1015.6
18 04:51 SW 13 16.09 Partly Cloudy SCT300 19.4 16.7 84% 76.23 1015.8
18 03:51 SW 11 16.09 Fair CLR 19.4 16.7 84% 76.2 1015.4
18 02:51 SW 11 16.09 Partly Cloudy SCT300 20 16.7 81% 76.2 1015.5
18 01:51 SW 11 16.09 Partly Cloudy SCT300 20.6 16.1 76% 76.23 1015.8
18 00:51 SW 11 16.09 A Few Clouds FEW250 20 15 25 20 73% 76.25 1016.3
17 23:51 SW 9 16.09 Fair CLR 21.1 14.4 66% 76.23 1015.8
17 22:51 S 9 16.09 Fair CLR 21.1 14.4 66% 76.23 1015.9
17 21:51 S 11 16.09 Fair CLR 21.7 13.9 61% 76.2 1015.5
17 20:51 S 11 16.09 Partly Cloudy SCT250 22.2 13.3 57% 76.2 1015.4
17 19:51 SE 6 16.09 Mostly Cloudy FEW045 BKN250 23.9 15 58% 25 76.17 1015.0
17 18:51 E 6 16.09 Partly Cloudy FEW045 FEW065 SCT250 25 15.6 26.7 23.3 56% 26 76.17 1014.9
17 17:51 NW 11 16.09 Partly Cloudy SCT045 SCT065 26.1 14.4 49% 27 76.2 1015.4
17 16:51 N 9 16.09 Mostly Cloudy SCT045 BKN065 25.6 16.1 56% 26 76.2 1015.5
17 15:51 NE 13 16.09 Mostly Cloudy SCT042 BKN065 25.6 16.7 58% 26 76.23 1015.8
17 14:51 N 17 16.09 Mostly Cloudy SCT035 BKN065 BKN250 25 16.7 60% 26 76.25 1016.2
17 13:51 NE 11 16.09 Mostly Cloudy SCT038 BKN065 25 17.2 62% 26 76.25 1016.3
17 12:51 NE 11 16.09 Mostly Cloudy FEW034 BKN042 BKN055 23.3 17.2 24.4 20.6 69% 76.28 1016.5
17 11:51 N 9 16.09 Mostly Cloudy FEW031 SCT045 BKN070 23.9 17.2 66% 25 76.3 1016.9
17 10:51 NE 20 16.09 Overcast SCT030 BKN042 OVC065 23.3 16.7 67% 76.33 1017.0
17 09:51 NE 20 16.09 Overcast SCT031 BKN038 OVC065 23.3 16.1 64% 76.28 1016.4
17 08:51 NE 20 16.09 Mostly Cloudy SCT020 BKN028 BKN230 22.8 17.8 74% 76.23 1015.6
17 07:51 NW 9 16.09 Partly Cloudy FEW020 FEW031 SCT049 SCT250 21.1 18.3 84% 76.23 1015.8
17 06:51 N 15 16.09 Mostly Cloudy FEW014 BKN021 BKN034 BKN250 20.6 18.3 21.1 19.4 87% 76.2 1015.5
17 05:51 NW 9 16.09 Mostly Cloudy FEW015 BKN042 BKN250 19.4 17.2 87% 76.17 1015.0
17 04:51 W 7 16.09 Partly Cloudy SCT038 19.4 16.7 84% 76.12 1014.6
17 03:51 NW 7 16.09 A Few Clouds FEW038 19.4 16.7 84% 76.1 1014.2
17 02:51 NW 9 16.09 A Few Clouds FEW038 20 16.1 78% 76.1 1013.9
17 01:51 NW 9 16.09 A Few Clouds FEW045 FEW250 20.6 16.1 76% 76.12 1014.2
17 00:51 N 11 16.09 Mostly Cloudy BKN042 BKN250 21.1 16.7 28.3 21.1 76% 76.15 1014.5
16 23:51 N 15 16.09 Mostly Cloudy BKN038 BKN250 22.2 16.7 71% 76.12 1014.1
16 22:51 N 22 16.09 Mostly Cloudy BKN045 BKN250 23.3 17.8 71% 76.07 1013.6
16 21:51 NW 19 16.09 Mostly Cloudy SCT030 BKN036 BKN180 BKN250 25 18.9 69% 26 76.07 1013.6
16 20:51 NW 15 16.09 Mostly Cloudy SCT038 SCT050 BKN200 BKN250 27.2 21.7 72% 29 76.02 1013.1
16 19:51 NW 13 16.09 Mostly Cloudy FEW034 SCT055 SCT100 BKN220 BKN250 27.2 21.7 72% 29 75.97 1012.4
16 18:51 NW 15 16.09 Mostly Cloudy FEW034 SCT220 BKN250 28.3 21.7 30 26.1 67% 31 75.95 1011.9 0.08
16 17:51 W 15 16.09 Mostly Cloudy FEW032 FEW044 SCT220 BKN250 29.4 22.2 65% 33 75.92 1011.5
16 16:51 W 9 16.09 Mostly Cloudy FEW033 FEW050 SCT080 SCT200 BKN250 28.3 23.3 74% 32 75.95 1011.9
16 15:51 W 11 16.09 Mostly Cloudy SCT033TCU SCT050 BKN080 BKN250 27.2 23.9 82% 30 76 1012.8 0.08 0.08
16 14:51 W 17 16.09 Mostly Cloudy SCT037 SCT070 BKN250 29.4 22.2 65% 33 76.05 1013.3
16 13:51 W 20 16.09 Mostly Cloudy SCT031 BKN049 BKN250 29.4 22.2 65% 33 76.07 1013.7
16 12:51 NW 17 16.09 Mostly Cloudy BKN027 BKN032 BKN250 28.3 22.2 28.3 22.8 70% 31 76.1 1013.9
16 11:51 NW 13 16.09 Mostly Cloudy SCT021 BKN028 BKN250 27.8 22.8 74% 31 76.1 1014.0
16 10:51 W 17 16.09 Mostly Cloudy BKN019 BKN026 BKN150 26.7 22.8 79% 29 76.1 1014.0
16 09:51 W 17 16.09 Mostly Cloudy BKN013 BKN029 BKN150 25.6 23.3 87% 27 76.1 1013.9
16 08:51 W 11 9.66 Fog/Mist FEW002 BKN008 OVC025 23.9 23.3 96% 23 76.15 1014.5
16 07:51 W 11 2.82 Fog/Mist BKN002 OVC004 23.3 22.8 97% 76.12 1014.2
16 06:51 W 9 6.44 Fog/Mist OVC003 22.8 22.8 25 22.2 100% 76.07 1013.6 0.05
16 05:51 SW 13 16.09 Overcast OVC004 22.8 22.2 96% 76.05 1013.3
16 04:51 SW 11 16.09 Overcast OVC005 22.2 21.7 97% 76.02 1013.0 0.03
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)