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.
12 04:51 N 11 16.09 Fair CLR 20 17.2 84% 76.58 1020.4
12 03:51 N 9 16.09 Fair CLR 20 17.2 84% 76.56 1020.1
12 02:51 N 9 16.09 Fair CLR 20 17.2 84% 76.56 1020.0
12 01:51 N 6 16.09 Fair CLR 20.6 17.2 81% 76.53 1019.7
12 00:51 N 11 16.09 A Few Clouds FEW090 21.1 17.2 26.1 20.6 79% 76.53 1019.8
11 23:51 N 11 16.09 Fair CLR 22.2 17.2 73% 76.53 1019.6
11 21:51 NE 19 16.09 A Few Clouds FEW250 23.3 15 60% 76.5 1019.5
11 20:51 NE 19 16.09 A Few Clouds FEW250 23.9 13.9 54% 25 76.45 1018.8
11 19:51 NE 20 16.09 Partly Cloudy SCT250 25.6 13.9 48% 26 76.43 1018.5
11 18:51 NE 26 16.09 Mostly Cloudy BKN250 26.1 15 27.8 26.1 50% 27 76.4 1018.1
11 17:51 NE 22 16.09 Mostly Cloudy FEW050 BKN250 27.2 13.9 44% 27 76.4 1018.0
11 16:51 N 26 G 41 16.09 Mostly Cloudy FEW050 BKN250 27.8 17.2 53% 28 76.38 1017.8
11 15:51 NE 20 16.09 Mostly Cloudy FEW050 BKN250 26.7 17.8 58% 28 76.38 1017.8
11 14:51 NE 28 16.09 Mostly Cloudy FEW015 FEW055 BKN250 27.2 16.7 53% 28 76.38 1017.8
11 13:51 NE 26 G 35 16.09 Partly Cloudy FEW015 SCT250 27.2 16.1 51% 28 76.38 1017.9
11 12:51 NE 24 G 35 16.09 A Few Clouds FEW012 FEW250 27.2 16.1 27.8 21.1 51% 28 76.38 1017.7
11 11:51 NE 22 G 33 16.09 A Few Clouds FEW012 FEW250 27.2 15 47% 27 76.35 1017.5
11 10:51 E 19 16.09 Partly Cloudy FEW012 SCT250 26.1 17.2 58% 27 76.35 1017.4
11 09:51 NE 17 16.09 Mostly Cloudy FEW012 BKN250 25.6 18.9 67% 27 76.33 1017.0
11 08:51 NE 15 16.09 Mostly Cloudy FEW012 FEW065 BKN250 24.4 20 77% 25 76.3 1016.9
11 07:51 N 13 16.09 Mostly Cloudy FEW065 BKN250 22.8 18.9 79% 76.28 1016.6
11 06:51 N 13 16.09 Mostly Cloudy SCT065 SCT200 BKN250 21.1 17.2 21.1 18.9 79% 76.25 1016.0
11 05:51 N 9 16.09 Mostly Cloudy FEW065 SCT200 BKN250 19.4 16.1 81% 76.2 1015.4
11 04:51 NE 9 16.09 Mostly Cloudy BKN250 19.4 15 76% 76.17 1015.0
11 03:51 N 11 16.09 Mostly Cloudy BKN250 18.9 14.4 75% 76.15 1014.6
11 02:51 N 11 16.09 Mostly Cloudy BKN250 19.4 15 76% 76.12 1014.4
11 01:51 N 13 16.09 Mostly Cloudy BKN250 19.4 15 76% 76.12 1014.3
11 00:51 N 11 16.09 Mostly Cloudy BKN250 20 16.7 23.9 19.4 81% 76.15 1014.8
10 23:51 N 11 16.09 Mostly Cloudy FEW200 BKN250 21.1 16.7 76% 76.2 1015.3
10 22:51 N 15 16.09 Mostly Cloudy FEW200 BKN250 22.2 15.6 66% 76.15 1014.9
10 21:51 NE 15 16.09 Mostly Cloudy SCT210 BKN240 22.8 15 62% 76.2 1015.3
10 20:51 NE 17 16.09 Mostly Cloudy FEW035 BKN220 BKN250 23.3 15 60% 76.15 1014.6
10 19:51 N 17 16.09 Mostly Cloudy FEW035 BKN240 BKN300 23.3 15.6 62% 76.07 1013.9
10 18:51 N 20 16.09 Mostly Cloudy FEW035 BKN240 BKN300 23.9 16.1 27.2 23.9 62% 25 76.1 1013.9
10 17:51 NE 26 16.09 Mostly Cloudy FEW035 FEW200 BKN250 25 16.7 60% 26 76.05 1013.3
10 16:51 NE 20 16.09 Mostly Cloudy FEW035 FEW200 BKN250 25.6 17.2 60% 27 76.05 1013.4
10 15:51 NE 17 16.09 Mostly Cloudy FEW013 FEW031 BKN250 26.1 16.7 56% 27 76.02 1013.1
10 14:51 NE 17 16.09 Mostly Cloudy FEW018 FEW032 BKN250 27.2 17.2 54% 28 76.02 1012.9
10 13:51 NE 13 16.09 Mostly Cloudy FEW018 FEW032 BKN250 27.2 17.8 57% 28 76.02 1013.2
10 12:51 NE 13 16.09 Mostly Cloudy FEW018 FEW032 BKN250 26.7 17.2 26.7 21.1 56% 27 76.05 1013.3
10 11:51 NE 15 16.09 Mostly Cloudy FEW018 SCT035 BKN070 BKN250 25.6 16.7 58% 26 76.07 1013.7
10 10:51 N 15 16.09 Mostly Cloudy FEW015 FEW033 BKN250 26.1 18.3 62% 27 76.02 1013.0
10 09:51 N 13 16.09 Partly Cloudy FEW038 FEW150 SCT250 25 18.3 66% 26 76.02 1012.8
10 08:51 N 13 16.09 Partly Cloudy FEW038 SCT250 23.9 18.9 74% 25 76.02 1012.8
10 07:51 NE 11 16.09 Mostly Cloudy FEW010 FEW037 BKN250 22.2 18.9 82% 75.97 1012.2
10 06:51 NE 13 16.09 Mostly Cloudy FEW008 SCT120 BKN250 21.1 18.9 22.2 20.6 87% 75.97 1012.1
10 05:51 NE 11 16.09 Partly Cloudy FEW010 FEW110 SCT250 21.1 18.9 87% 75.95 1011.8
10 04:51 N 11 16.09 Partly Cloudy FEW010 SCT110 21.1 18.9 87% 75.92 1011.5
10 03:51 NE 9 16.09 Mostly Cloudy FEW007 SCT035 BKN070 BKN130 21.1 19.4 90% 75.87 1010.8
10 02:51 NE 13 16.09 Overcast BKN007 OVC035 21.1 20 93% 75.87 1010.9
10 01:51 N 17 16.09 Overcast OVC007 21.7 20 90% 75.84 1010.5
10 00:51 N 19 14.48 Overcast BKN008 BKN040 OVC100 22.2 20.6 29.4 22.2 91% 75.87 1010.9
09 23:51 NE 15 14.48 Mostly Cloudy FEW010 SCT040 BKN100 BKN250 22.8 20.6 87% 75.84 1010.7
09 22:51 NE 20 16.09 Thunderstorm SCT034CB BKN090 BKN150 OVC250 22.8 20.6 87% 75.84 1010.6
09 21:51 E 15 16.09 Overcast BKN034CB BKN090 BKN150 OVC250 25.6 20.6 74% 27 75.84 1010.7
09 20:51 W 7 16.09 Thunderstorm SCT040CB BKN095 BKN130 OVC250 27.2 21.1 69% 29 75.79 1010.0
09 19:51 W 11 16.09 Overcast SCT039CB SCT090 BKN130 OVC250 28.9 21.1 63% 31 75.77 1009.6
09 18:51 W 7 16.09 Mostly Cloudy FEW040 BKN250 29.4 21.1 30.6 27.8 61% 32 75.74 1009.3
09 17:51 W 9 16.09 Mostly Cloudy SCT042 BKN250 30 21.1 59% 33 75.77 1009.5
09 16:51 SW 11 16.09 Overcast SCT040 OVC250 30 21.1 59% 33 75.77 1009.5
09 15:51 W 11 16.09 Mostly Cloudy FEW037 BKN250 30 21.1 59% 33 75.79 1009.9
09 14:51 W 9 16.09 Mostly Cloudy FEW035 SCT130 BKN250 28.9 20 59% 31 75.82 1010.2
09 13:51 W 11 16.09 Mostly Cloudy FEW033 SCT080 BKN100 BKN150 BKN250 28.3 20.6 63% 30 75.87 1010.8
09 12:51 W 13 G 28 16.09 Mostly Cloudy FEW033 SCT075 BKN090 BKN170 BKN250 28.3 20.6 28.3 23.9 63% 30 75.92 1011.6
09 11:51 SW 17 16.09 Mostly Cloudy FEW050 SCT110 BKN150 BKN250 27.8 20.6 65% 30 75.92 1011.7
09 10:51 SW 11 16.09 Overcast FEW050 BKN110 BKN150 OVC250 27.2 20 65% 29 75.95 1011.9
09 09:51 SW 13 16.09 Overcast FEW070 SCT130 BKN160 OVC250 27.2 20 65% 29 75.92 1011.6
09 08:51 W 11 16.09 Mostly Cloudy FEW070 BKN140 BKN250 26.1 20.6 72% 28 75.95 1011.8
09 07:51 SW 9 16.09 Mostly Cloudy FEW043 FEW060 BKN160 BKN250 24.4 20.6 79% 25 75.92 1011.6
09 06:51 SW 13 16.09 Mostly Cloudy FEW040 SCT055 BKN160 BKN190 23.9 20 25 23.3 79% 24 75.92 1011.6
09 05:51 SW 9 16.09 Mostly Cloudy FEW040 BKN200 BKN250 23.3 19.4 79% 75.9 1011.1
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)