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.
18 19:51 N 13 1.61 Heavy Rain Fog/Mist BKN005 BKN014 OVC027 19.4 18.9 97% 75.44 1005.3 1.78
18 18:51 NE 17 4.02 Heavy Rain Fog/Mist BKN013 BKN025 OVC040 21.1 19.4 27.2 21.1 90% 75.36 1004.2 0.2 1.14
18 17:51 N 6 6.44 Light Rain Fog/Mist FEW008 BKN038 OVC050 22.8 21.1 90% 75.29 1003.4
18 16:51 E 13 8.05 Light Rain Fog/Mist FEW008 SCT040 BKN075 OVC250 22.8 20.6 87% 75.29 1003.4
18 15:51 NE 20 8.05 Fog/Mist FEW020 SCT045 BKN150 BKN210 OVC250 23.3 21.1 88% 75.34 1003.8 0.25 0.94
18 14:51 E 17 3.22 Rain Fog/Mist BKN018 BKN034 OVC090 22.2 21.1 94% 75.51 1006.3 0.53
18 13:51 E 7 4.83 Thunderstorm Rain Fog/Mist FEW027 SCT036CB BKN095 OVC130 23.3 21.1 88% 75.54 1006.6 0.15
18 12:51 SE 6 16.09 Overcast SCT025 BKN033 OVC130 27.2 21.1 27.2 21.7 69% 29 75.51 1006.0
18 11:51 W 6 16.09 Light Rain BKN028 BKN036 OVC160 26.7 20.6 69% 28 75.69 1008.7
18 10:51 Vrbl 6 16.09 Mostly Cloudy BKN022 BKN060 BKN160 25.6 20.6 74% 27 75.69 1008.7
18 09:51 S 11 16.09 Mostly Cloudy BKN017 BKN060 BKN250 24.4 20.6 79% 25 75.72 1008.8
18 08:51 S 9 16.09 Mostly Cloudy FEW009 SCT013 BKN060 BKN250 23.9 20 79% 24 75.74 1009.3
18 07:51 S 9 16.09 Mostly Cloudy SCT009 BKN060 BKN100 22.2 20 87% 75.74 1009.2
18 06:51 SE 9 16.09 Overcast FEW010 BKN065 OVC090 21.7 20 22.2 21.1 90% 75.69 1008.6 0.1
18 05:51 SE 13 16.09 Overcast BKN075 BKN090 OVC250 21.1 19.4 90% 75.64 1008.0 0.03
18 04:51 Calm 16.09 Light Rain SCT060 BKN090 OVC110 21.1 19.4 90% 75.64 1007.9 0.03
18 03:51 SW 9 16.09 Overcast BKN110 OVC250 21.1 20 93% 75.67 1008.1 0.05
18 02:51 SW 6 16.09 Overcast BKN120 OVC250 21.7 20 90% 75.59 1007.0
18 01:51 Calm 16.09 Light Rain FEW075 OVC100 21.1 19.4 90% 75.67 1008.2 0.05
18 00:51 NW 13 G 28 16.09 Thunderstorm SCT060CB BKN100 OVC250 22.2 20 31.7 21.7 87% 75.69 1008.5 0.3 0.76
17 23:51 S 31 G 56 4.83 Thunderstorm Heavy Rain Fog/Mist SCT049 BKN060CB OVC100 22.2 20 87% 75.74 1009.0 0.46
17 22:51 SW 22 G 35 16.09 Mostly Cloudy FEW065 BKN250 27.8 19.4 60% 29 75.64 1007.6
17 21:51 SW 11 16.09 Mostly Cloudy FEW065 BKN250 28.9 17.8 51% 30 75.62 1007.5
17 20:51 SW 9 16.09 Mostly Cloudy FEW060 BKN250 30 17.2 46% 30 75.59 1007.1
17 19:51 SW 11 16.09 Mostly Cloudy FEW065 BKN250 31.1 18.3 46% 32 75.57 1006.7
17 18:51 SW 13 16.09 Mostly Cloudy SCT060CB BKN250 31.1 18.9 33.3 31.1 48% 32 75.54 1006.6
17 17:51 SW 19 16.09 Mostly Cloudy SCT060TCU BKN250 32.8 18.3 42% 34 75.51 1005.9
17 16:51 SW 17 16.09 Mostly Cloudy SCT055TCU BKN250 33.3 18.9 43% 35 75.51 1006.0
17 15:51 SW 17 G 26 16.09 Mostly Cloudy SCT055TCU BKN250 32.2 19.4 47% 34 75.57 1006.9
17 14:51 SW 24 G 37 16.09 Mostly Cloudy SCT050 BKN250 32.8 19.4 45% 35 75.59 1007.2
17 13:51 SW 22 G 41 16.09 Partly Cloudy SCT050 SCT250 32.2 19.4 47% 34 75.64 1007.8
17 12:51 SW 24 G 43 16.09 Partly Cloudy SCT047 SCT250 31.7 20 31.7 23.3 50% 34 75.67 1008.1
17 11:51 SW 31 G 39 16.09 Partly Cloudy SCT043 SCT250 30.6 20 53% 33 75.72 1008.7
17 10:51 SW 24 16.09 Partly Cloudy FEW040 SCT250 30 20.6 57% 32 75.72 1009.0
17 09:51 SW 24 G 37 16.09 Partly Cloudy FEW032 SCT250 28.3 20.6 63% 30 75.69 1008.6
17 08:51 SW 17 16.09 A Few Clouds FEW012 FEW250 26.7 21.1 71% 28 75.74 1009.1
17 07:51 S 22 16.09 A Few Clouds FEW011 FEW250 24.4 21.1 82% 25 75.72 1008.9
17 06:51 SW 17 16.09 A Few Clouds FEW008 FEW250 23.3 21.1 23.3 21.7 88% 75.69 1008.6
17 05:51 S 13 12.87 Mostly Cloudy BKN250 22.8 20.6 87% 75.67 1008.1
17 04:51 S 11 16.09 Mostly Cloudy BKN250 21.7 18.9 84% 75.69 1008.5
17 03:51 S 7 16.09 Mostly Cloudy SCT170 BKN250 22.2 18.3 79% 75.72 1008.8
17 02:51 S 9 16.09 Mostly Cloudy SCT170 BKN250 22.2 17.2 73% 75.74 1009.3
17 01:51 S 9 14.48 Overcast BKN170 OVC250 22.8 16.1 66% 75.79 1009.8
17 00:51 S 7 14.48 Overcast BKN170 OVC250 23.3 15.6 27.8 22.8 62% 75.82 1010.3
16 23:51 SE 7 16.09 Mostly Cloudy FEW150 BKN250 22.8 15 62% 75.87 1010.8
16 22:51 SE 9 16.09 Mostly Cloudy FEW150 BKN250 23.3 15 60% 75.87 1010.8
16 21:51 SE 11 16.09 Overcast FEW150 OVC250 23.9 15 58% 25 75.84 1010.4
16 20:51 SE 17 16.09 Overcast FEW060 FEW120 SCT150 OVC250 25 15 54% 26 75.79 1009.9
16 19:51 SE 19 16.09 Overcast SCT110 OVC250 26.1 15 50% 27 75.82 1010.2
16 18:51 SE 17 16.09 Overcast FEW060 SCT110 OVC250 27.8 15.6 31.1 27.8 47% 28 75.84 1010.8
16 17:51 E 19 16.09 Overcast FEW060 SCT110 OVC250 28.9 15.6 44% 29 75.87 1011.2
16 16:51 E 20 16.09 Overcast FEW060 SCT120 OVC250 29.4 15.6 43% 29 75.92 1011.6
16 15:51 SE 19 G 28 16.09 Mostly Cloudy FEW060 BKN250 30.6 15 39% 30 75.92 1011.7
16 14:51 SE 19 G 30 16.09 Mostly Cloudy FEW055 FEW120 BKN250 30.6 15.6 40% 30 75.97 1012.2
16 13:51 SE 13 16.09 A Few Clouds FEW060 FEW250 30.6 15.6 40% 30 76.02 1013.2
16 12:51 S 13 16.09 Partly Cloudy FEW060 SCT250 29.4 14.4 30 18.3 40% 29 76.1 1013.9
16 11:51 SE 9 16.09 Mostly Cloudy FEW120 BKN250 28.9 15 43% 29 76.15 1014.6
16 10:51 S 6 16.09 Partly Cloudy FEW120 SCT250 27.8 13.9 43% 28 76.17 1015.2
16 09:51 S 11 16.09 A Few Clouds FEW110 FEW250 25.6 14.4 50% 26 76.23 1015.7
16 08:51 SE 7 16.09 Mostly Cloudy BKN110 24.4 13.9 52% 26 76.28 1016.4
16 07:51 S 7 16.09 Partly Cloudy FEW100 FEW160 SCT250 21.7 15.6 68% 76.23 1015.9
16 06:51 Calm 16.09 Mostly Cloudy FEW100 BKN160 BKN250 18.3 14.4 18.9 16.1 78% 76.25 1016.3
16 05:51 Calm 16.09 Mostly Cloudy SCT100 SCT200 BKN250 16.1 12.8 81% 76.28 1016.5
16 04:51 NE 7 16.09 Mostly Cloudy SCT095 BKN250 17.2 13.3 78% 76.25 1016.1
16 03:51 Calm 16.09 Partly Cloudy SCT090 SCT250 17.2 13.3 78% 76.25 1016.4
16 02:51 Calm 16.09 Partly Cloudy SCT250 17.2 12.8 76% 76.25 1016.1
16 01:51 N 7 16.09 Mostly Cloudy FEW150 BKN250 17.2 12.8 76% 76.3 1016.7
16 00:51 NE 6 16.09 Mostly Cloudy BKN250 17.2 13.3 23.3 17.2 78% 76.35 1017.5
15 23:51 NE 9 16.09 Partly Cloudy FEW170 SCT250 17.8 13.3 75% 76.38 1017.8
15 22:51 N 15 16.09 Mostly Cloudy FEW150 BKN250 17.8 12.8 73% 76.38 1017.9
15 21:51 NE 15 16.09 Mostly Cloudy FEW150 FEW200 BKN250 20 13.3 65% 76.38 1017.9
15 20:51 NE 13 16.09 Mostly Cloudy FEW150 FEW200 BKN250 21.1 13.9 64% 76.35 1017.5
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)