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.
20 15:51 SW 22 G 31 16.09 Partly Cloudy SCT250 12.8 -5.6 28% 76.81 1024.5
20 14:51 S 17 16.09 Partly Cloudy SCT250 11.7 -5 31% 76.91 1025.6
20 13:51 SW 13 G 30 16.09 A Few Clouds FEW060 FEW250 11.1 -6.1 30% 76.94 1026.1
20 12:51 S 13 16.09 Partly Cloudy FEW055 SCT250 10.6 -6.7 10.6 2.8 29% 77.01 1027.0
20 11:51 S 13 16.09 Partly Cloudy FEW047 SCT250 8.9 -7.2 32% 7 77.06 1027.8
20 10:51 S 9 16.09 Partly Cloudy FEW044 SCT050 SCT250 8.9 -5 37% 8 77.09 1028.0
20 09:51 S 13 16.09 Partly Cloudy SCT039 SCT250 6.7 -3.9 47% 4 77.09 1028.2
20 08:51 SE 11 16.09 Partly Cloudy FEW038 SCT250 6.7 -1.7 55% 5 77.11 1028.3
20 07:51 SE 9 16.09 A Few Clouds FEW250 5 -1.7 62% 3 77.11 1028.3
20 06:51 E 6 16.09 A Few Clouds FEW250 2.8 -1.1 3.9 0.6 76% 77.06 1027.8
20 05:51 N 6 16.09 Fair CLR 2.2 -2.2 73% 76.99 1027.0
20 04:51 Calm 16.09 Fair CLR 1.7 -1.1 82% 76.94 1026.2
20 03:51 Calm 16.09 Fair CLR 1.1 -2.2 79% 76.91 1025.9
20 02:51 SW 6 16.09 Fair CLR 1.7 -1.7 78% 76.89 1025.4
20 01:51 Calm 16.09 Fair CLR 2.8 -2.2 70% 76.89 1025.4
20 00:51 Calm 16.09 Fair CLR 3.9 -2.8 8.3 3.3 62% 76.86 1025.1
19 23:51 E 7 16.09 A Few Clouds FEW085 4.4 -3.3 58% 3 76.84 1024.7
19 22:51 E 11 16.09 Partly Cloudy SCT085 4.4 -2.8 60% 2 76.78 1024.2
19 21:51 E 7 16.09 Mostly Cloudy BKN085 4.4 -1.7 65% 3 76.76 1023.9
19 20:51 Calm 16.09 Mostly Cloudy FEW075 BKN090 6.1 -3.9 49% 76.71 1022.9
19 19:51 N 13 16.09 Mostly Cloudy SCT075 BKN090 BKN250 7.8 -8.3 31% 6 76.63 1021.9
19 18:51 N 15 16.09 Mostly Cloudy BKN075 BKN090 BKN250 7.8 -4.4 10 5 42% 6 76.58 1021.4 0.03
19 17:51 NW 20 G 39 16.09 Mostly Cloudy SCT060 BKN085 BKN250 8.3 -3.9 42% 5 76.53 1020.9
19 16:51 NW 17 G 39 16.09 Mostly Cloudy FEW045 BKN065 BKN090 BKN250 8.9 -5 37% 7 76.53 1020.5
19 15:51 N 30 G 48 16.09 Mostly Cloudy SCT055 BKN075 BKN090 BKN250 7.8 -0.6 56% 4 76.53 1020.6 0.03
19 14:51 NW 20 G 41 16.09 Mostly Cloudy FEW020 SCT047 BKN090 BKN250 8.9 -1.7 48% 6 76.5 1020.2
19 13:51 W 13 16.09 Light Rain FEW017 BKN033 BKN075 BKN250 6.1 1.1 71% 4 76.5 1020.5 0.03
19 12:51 W 30 G 48 16.09 Mostly Cloudy SCT047 BKN070 BKN250 8.9 -3.3 9.4 2.8 42% 5 76.45 1019.6
19 11:51 W 28 G 56 16.09 Light Rain BKN050 OVC250 6.7 -2.2 53% 3 76.5 1020.4
19 10:51 W 22 G 44 16.09 Mostly Cloudy FEW075 SCT100 BKN250 8.9 -5 37% 6 76.45 1019.6
19 09:51 W 28 G 48 16.09 Mostly Cloudy FEW060 SCT080 BKN250 7.8 -7.2 34% 4 76.45 1019.8
19 08:51 SW 13 16.09 Mostly Cloudy BKN090 BKN250 6.7 -3.3 49% 4 76.43 1019.4
19 07:51 SW 11 16.09 Mostly Cloudy FEW100 BKN250 5 -2.8 57% 3 76.45 1019.5
19 06:51 SW 11 16.09 A Few Clouds FEW100 2.8 -2.8 4.4 2.2 67% 0 76.43 1019.3
19 05:51 SW 9 16.09 Fair CLR 2.2 -2.8 70% -0 76.4 1019.0
19 04:51 SW 11 16.09 Fair CLR 2.8 -3.3 65% 0 76.4 1019.1
19 03:51 SW 9 16.09 Fair CLR 2.8 -2.8 67% 1 76.4 1019.0
19 02:51 SW 11 16.09 Fair CLR 3.3 -3.3 62% 1 76.38 1018.6
19 01:51 SW 9 16.09 Fair CLR 3.9 -3.3 60% 2 76.38 1018.5
19 00:51 W 9 16.09 Fair CLR 4.4 -3.3 7.8 4.4 58% 2 76.38 1018.5
18 23:51 W 9 16.09 Fair CLR 5.6 -4.4 49% 4 76.35 1018.3
18 22:51 W 11 16.09 Fair CLR 5.6 -3.9 51% 3 76.35 1018.3
18 21:51 W 17 16.09 Fair CLR 6.1 -3.9 49% 3 76.33 1018.0
18 20:51 W 22 G 37 16.09 A Few Clouds FEW050 6.7 -4.4 45% 3 76.28 1017.2
18 19:51 W 22 G 48 16.09 A Few Clouds FEW050 FEW250 7.2 -3.9 46% 4 76.2 1016.3
18 18:51 W 39 G 59 16.09 Partly Cloudy and Breezy SCT050 SCT250 7.8 -5 10.6 7.8 40% 3 76.15 1015.5
18 17:51 W 31 G 52 16.09 A Few Clouds FEW050 FEW250 8.9 -3.3 42% 5 76.1 1014.7
18 16:51 W 35 G 59 16.09 Partly Cloudy and Breezy SCT047 SCT250 9.4 -2.2 44% 6 76.02 1013.6
18 15:51 W 35 G 50 16.09 Mostly Cloudy and Breezy BKN048 BKN250 9.4 -1.7 46% 6 75.97 1013.0
18 14:51 W 35 G 52 16.09 Mostly Cloudy and Breezy BKN046 BKN250 9.4 -1.7 46% 6 75.97 1012.8
18 13:51 W 24 G 50 16.09 A Few Clouds FEW039 FEW250 9.4 -1.1 48% 7 75.97 1012.7
18 12:51 W 26 G 48 16.09 Partly Cloudy SCT034 SCT250 8.9 -1.1 8.9 6.7 50% 6 75.92 1012.1
18 11:51 W 28 G 41 16.09 Partly Cloudy SCT029 SCT250 7.8 -0.6 56% 4 75.87 1011.6
18 10:51 W 24 G 44 16.09 Mostly Cloudy SCT026 BKN250 7.2 0 61% 4 75.84 1011.1
18 09:51 W 24 G 35 16.09 Mostly Cloudy FEW024 SCT120 SCT220 BKN250 6.7 0.6 65% 3 75.74 1009.7
18 08:51 W 26 G 46 16.09 Overcast SCT024 SCT100 BKN210 OVC250 7.2 1.7 68% 4 75.69 1009.0
18 07:51 W 26 G 41 16.09 Overcast SCT024 SCT070 SCT130 OVC220 7.8 2.2 68% 4 75.59 1007.7
18 06:51 W 26 G 41 16.09 Overcast BKN017 OVC050 8.3 4.4 17.2 8.3 77% 5 75.51 1006.6 0.28
18 05:51 W 26 G 41 16.09 Overcast OVC011 9.4 6.7 83% 6 75.39 1004.9
18 04:51 W 26 G 39 16.09 Overcast OVC009 10.6 8.3 86% 75.34 1003.9
18 03:51 W 24 G 39 16.09 Overcast BKN009 OVC036 13.3 11.7 90% 75.26 1003.0 0.28
18 02:51 SW 31 G 44 16.09 Overcast FEW008 BKN016 OVC120 16.1 14.4 90% 75.16 1001.7 0.08
18 01:51 SW 13 8.05 Rain Fog/Mist BKN075 OVC090 16.7 15 90% 75.13 1001.3 0.2
18 00:51 SW 30 G 46 16.09 Light Rain FEW070 OVC100 17.2 15 25.6 16.7 87% 75.26 1002.9 1.27
17 23:51 SW 22 G 39 16.09 Light Rain SCT070 OVC130 16.7 15 90% 75.16 1001.7 0.3
17 22:51 SW 24 G 43 8.05 Thunderstorm Rain Fog/Mist FEW040CB BKN080 OVC150 17.2 15.6 90% 75.36 1004.2 0.48
17 21:51 SW 24 G 76 4.83 Thunderstorm Heavy Rain Fog/Mist BKN043CB BKN060 OVC100 18.3 15.6 84% 75.34 1004.2 0.46 0.48
17 20:51 S 17 12.87 Thunderstorm Light Rain BKN049CB BKN070 BKN100 OVC130 23.3 18.3 74% 75.23 1002.7 0.03
17 19:51 S 31 G 52 16.09 Overcast SCT055 BKN150 OVC250 25 17.2 62% 26 75.18 1001.9
17 18:51 S 33 G 52 16.09 Overcast and Breezy FEW055 SCT150 OVC250 25.6 16.7 27.2 25 58% 26 75.21 1002.5
17 17:51 S 37 G 54 16.09 Overcast and Breezy SCT055 OVC250 26.1 16.1 54% 27 75.31 1003.6
17 16:51 S 37 G 63 16.09 Overcast and Breezy SCT055 OVC250 26.7 15.6 51% 27 75.31 1003.7
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)