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.
15 08:51 S 26 G 43 16.09 Overcast BKN070 OVC250 15 5 51% 76.05 1013.8
15 07:51 S 31 G 41 16.09 Overcast BKN090 BKN110 OVC250 15.6 3.3 44% 76.02 1013.5
15 06:51 S 15 16.09 Mostly Cloudy BKN090 BKN250 13.9 3.9 13.9 11.7 51% 76.02 1013.5
15 05:51 S 11 16.09 Overcast BKN110 OVC250 12.8 4.4 57% 76 1013.2
15 04:51 S 9 16.09 Mostly Cloudy BKN110 BKN250 12.8 3.9 55% 76.02 1013.5
15 03:51 S 7 16.09 Mostly Cloudy FEW110 SCT170 BKN250 11.7 3.9 59% 76.05 1013.6
15 02:51 S 13 16.09 Overcast BKN110 OVC170 12.2 3.3 55% 76.1 1014.5
15 01:51 S 9 16.09 Overcast BKN170 OVC250 12.8 0.6 44% 76.12 1014.8
15 00:51 SE 6 16.09 Overcast BKN150 OVC250 12.2 1.7 16.7 12.2 49% 76.17 1015.6
14 23:51 SE 7 16.09 Mostly Cloudy SCT150 BKN250 12.8 0.6 44% 76.17 1015.6
14 22:51 SE 13 16.09 Mostly Cloudy BKN250 12.2 0 43% 76.15 1015.1
14 21:51 SE 13 16.09 Mostly Cloudy BKN250 12.2 -1.1 40% 76.15 1015.2
14 20:51 E 15 16.09 Mostly Cloudy BKN250 13.3 -2.8 33% 76.17 1015.5
14 19:51 SE 13 16.09 Mostly Cloudy BKN300 14.4 -1.7 33% 76.17 1015.7
14 18:51 E 19 16.09 Partly Cloudy SCT300 16.7 -1.7 19.4 16.7 29% 76.17 1015.6
14 17:51 SE 17 16.09 Partly Cloudy SCT300 17.8 -1.1 28% 76.23 1016.2
14 16:51 E 19 16.09 Partly Cloudy SCT300 18.3 -0.6 28% 76.25 1016.5
14 15:51 SE 15 16.09 Partly Cloudy SCT300 18.3 -1.1 27% 76.28 1017.1
14 14:51 S 11 16.09 Partly Cloudy SCT300 18.9 -0.6 27% 76.33 1017.6
14 13:51 E 9 16.09 A Few Clouds FEW300 18.3 -0.6 28% 76.38 1018.2
14 12:51 Calm 16.09 Partly Cloudy SCT300 17.2 -1.7 17.2 8.3 28% 76.4 1018.5
14 11:51 E 9 16.09 Mostly Cloudy BKN300 17.2 -0.6 30% 76.43 1019.1
14 10:51 Vrbl 7 16.09 Partly Cloudy SCT300 16.1 0 34% 76.48 1019.8
14 09:51 N 7 16.09 A Few Clouds FEW300 15 0.6 38% 76.5 1020.3
14 08:51 NW 9 16.09 A Few Clouds FEW300 13.9 2.2 45% 76.56 1020.8
14 07:51 Calm 16.09 A Few Clouds FEW300 11.7 2.2 52% 76.53 1020.6
14 06:51 W 11 16.09 Fair CLR 8.3 1.7 8.3 5.6 63% 7 76.5 1020.1
14 05:51 W 11 16.09 Fair CLR 6.1 2.2 76% 4 76.48 1019.7
14 04:51 W 13 16.09 Fair CLR 6.1 2.2 76% 4 76.43 1019.2
14 03:51 W 13 16.09 Fair CLR 6.1 2.2 76% 4 76.43 1019.1
14 02:51 W 6 16.09 Fair CLR 5.6 2.2 79% 76.4 1018.9
14 01:51 Calm 16.09 Fair CLR 6.1 2.2 76% 76.4 1018.8
14 00:51 Calm 16.09 Fair CLR 7.2 2.2 11.1 7.2 71% 76.38 1018.5
13 23:51 SW 6 16.09 Fair CLR 7.2 2.2 71% 76.35 1018.2
13 22:51 Calm 16.09 Fair CLR 8.3 1.7 63% 76.38 1018.5
13 21:51 E 9 16.09 Fair CLR 8.3 1.1 61% 7 76.4 1018.7
13 20:51 E 6 16.09 A Few Clouds FEW080 9.4 0.6 55% 76.38 1018.3
13 19:51 E 6 16.09 A Few Clouds FEW080 10 0.6 52% 76.35 1018.1
13 18:51 NE 17 16.09 Partly Cloudy SCT080 11.1 1.1 12.8 10.6 50% 76.35 1018.1
13 17:51 NE 15 16.09 Mostly Cloudy FEW065 BKN085 11.1 1.7 53% 76.33 1017.8
13 16:51 NE 17 16.09 Mostly Cloudy FEW065 BKN085 11.7 2.2 52% 76.3 1017.4
13 15:51 NE 15 16.09 Mostly Cloudy SCT065 BKN085 11.1 2.2 55% 76.28 1017.1
13 14:51 E 15 16.09 Mostly Cloudy BKN065 BKN080 11.7 2.8 55% 76.28 1016.9
13 13:51 E 19 16.09 Mostly Cloudy BKN055 11.7 2.8 55% 76.25 1016.7
13 12:51 NE 20 16.09 Partly Cloudy SCT055 12.2 3.9 15 12.2 57% 76.23 1016.2
13 11:51 NE 20 16.09 Mostly Cloudy FEW047 BKN055 12.8 3.9 55% 76.23 1016.0
13 10:51 N 26 G 41 16.09 Partly Cloudy SCT046 14.4 2.8 46% 76.15 1015.0
13 09:51 N 26 16.09 Partly Cloudy SCT041 13.3 3.3 51% 76.12 1014.7
13 08:51 N 30 G 48 16.09 Mostly Cloudy BKN037 13.3 3.9 53% 76.07 1014.1
13 07:51 N 26 G 41 16.09 Mostly Cloudy BKN035 BKN070 12.2 4.4 59% 76.02 1013.6
13 06:51 N 19 16.09 A Few Clouds FEW045 FEW070 12.2 5 14.4 11.7 62% 75.97 1012.8
13 05:51 N 22 G 33 16.09 Mostly Cloudy BKN045 BKN060 13.3 5.6 60% 75.9 1011.7
13 04:51 NW 7 16.09 Mostly Cloudy BKN049 BKN070 12.2 7.8 75% 75.82 1010.9
13 03:51 Calm 16.09 Mostly Cloudy BKN047 BKN070 12.8 7.2 69% 75.79 1010.4
13 02:51 SE 7 16.09 Mostly Cloudy BKN050 BKN070 12.2 7.2 72% 75.77 1010.1
13 01:51 NE 9 16.09 Mostly Cloudy BKN060 13.3 7.8 70% 75.79 1010.2
13 00:51 NE 17 G 31 16.09 Mostly Cloudy BKN070 14.4 8.3 19.4 14.4 67% 75.77 1009.9
12 23:51 W 13 16.09 A Few Clouds FEW075 17.2 7.2 52% 75.69 1008.9
12 22:51 W 19 16.09 Fair CLR 18.3 8.9 54% 75.64 1008.2
12 21:51 SW 20 16.09 A Few Clouds FEW250 18.3 10 59% 75.62 1008.0
12 20:51 SW 19 16.09 Partly Cloudy FEW090 SCT250 19.4 10 55% 75.59 1007.7
12 19:51 SW 17 16.09 Mostly Cloudy FEW090 FEW110 BKN200 BKN250 19.4 10.6 57% 75.62 1008.1
12 18:51 S 15 G 31 16.09 Mostly Cloudy FEW085 BKN100 BKN250 18.9 11.1 22.2 11.7 61% 75.67 1008.9 0.08
12 17:51 SW 11 16.09 Overcast BKN085 BKN110 OVC250 17.8 12.2 70% 75.74 1009.9
12 16:51 SW 28 16.09 Overcast FEW065 BKN090 BKN110 OVC250 17.2 11.7 70% 75.79 1010.5
12 15:51 SW 11 16.09 Light Rain SCT065 BKN090 OVC110 17.8 11.1 65% 75.79 1010.5 0.08 0.08
12 14:51 SW 13 16.09 Overcast SCT085 BKN110 OVC250 21.1 6.7 39% 75.92 1012.1
12 13:51 SW 15 16.09 Overcast FEW080 BKN110 OVC250 21.7 5.6 35% 76 1013.3
12 12:51 S 13 16.09 Overcast FEW100 BKN140 OVC250 20 3.9 20 7.8 35% 76.07 1014.1
12 11:51 S 28 G 43 16.09 Overcast BKN110 BKN150 OVC250 18.3 3.3 37% 76.15 1015.2
12 10:51 S 20 G 39 16.09 Overcast FEW110 SCT180 OVC250 16.7 1.7 37% 76.23 1016.4
12 09:51 S 20 G 35 16.09 Mostly Cloudy SCT110 BKN160 BKN250 15 -0.6 35% 76.35 1018.0
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)