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.
28 04:51 W 6 16.09 Mostly Cloudy SCT070 BKN100 13.9 11.7 87% 75.92 1012.0
28 03:51 W 7 16.09 Mostly Cloudy SCT075 BKN100 13.9 11.7 87% 75.9 1011.5
28 02:51 W 13 16.09 Partly Cloudy SCT080 13.9 11.7 87% 75.87 1011.1
28 01:51 W 7 16.09 Mostly Cloudy SCT055 BKN075 14.4 11.7 84% 75.82 1010.7
28 00:51 W 7 16.09 Partly Cloudy SCT060 14.4 12.2 21.7 14.4 87% 75.84 1010.8
27 23:51 SW 6 16.09 Partly Cloudy SCT043 SCT250 15.6 12.2 80% 75.84 1010.9
27 22:51 N 11 16.09 Mostly Cloudy BKN043 BKN150 BKN250 16.1 11.7 75% 75.82 1010.7
27 21:51 N 6 16.09 Mostly Cloudy BKN048 BKN100 BKN250 17.8 11.7 68% 75.79 1010.4
27 20:51 N 6 16.09 Mostly Cloudy SCT055 SCT070 BKN100 BKN250 17.8 11.7 68% 75.77 1009.8
27 19:51 N 22 16.09 Thunderstorm BKN050CB BKN100 BKN250 19.4 11.1 59% 75.72 1009.3
27 18:51 W 17 16.09 Thunderstorm in Vicinity SCT050 SCT060 BKN100 BKN200 21.7 11.7 23.3 19.4 53% 75.62 1007.9
27 17:51 W 15 G 30 16.09 Mostly Cloudy FEW045 SCT100 BKN200 22.2 12.2 53% 75.59 1007.4
27 16:51 NW 11 16.09 Mostly Cloudy FEW035 BKN070 BKN090 20.6 13.3 63% 75.57 1007.2
27 15:51 NW 24 16.09 Mostly Cloudy SCT047 BKN055 BKN080 22.2 11.7 52% 75.54 1006.8
27 14:51 NW 24 G 39 16.09 Mostly Cloudy FEW043 BKN065 21.7 12.2 55% 75.51 1006.4
27 13:51 NW 26 G 37 16.09 Mostly Cloudy FEW038 BKN050 21.1 12.2 57% 75.49 1006.1
27 12:51 NW 28 G 41 16.09 Mostly Cloudy BKN036 BKN043 19.4 11.7 20 15 61% 75.46 1006.0
27 11:51 NW 24 G 41 16.09 Mostly Cloudy BKN029 BKN035 18.3 12.2 68% 75.41 1005.3
27 10:51 W 30 G 39 16.09 Overcast OVC021 16.7 11.7 73% 75.39 1004.7
27 09:51 W 24 G 39 16.09 Overcast OVC020 15.6 11.7 78% 75.26 1003.2
27 08:51 W 24 G 37 16.09 Overcast OVC020 15.6 11.7 78% 75.21 1002.4
27 07:51 W 17 G 39 16.09 Overcast BKN016 OVC024 15 12.2 83% 75.13 1001.5
27 06:51 W 19 G 35 16.09 Overcast FEW016 BKN023 OVC028 15 12.2 15 14.4 83% 75.11 1001.1
27 05:51 W 20 G 35 16.09 Overcast OVC016 15 12.2 83% 75.06 1000.4
27 04:51 W 22 G 31 16.09 Overcast OVC009 14.4 12.8 90% 74.98 999.3
27 03:51 W 17 16.09 Light Rain BKN009 OVC015 14.4 12.8 90% 74.96 999.1
27 02:51 W 19 G 35 16.09 Overcast OVC015 15 11.7 81% 74.96 999.2
27 01:51 W 17 16.09 Overcast OVC017 15 11.1 78% 74.98 999.4
27 00:51 W 19 16.09 Mostly Cloudy BKN019 15 11.1 22.8 14.4 78% 75.03 1000.0
26 23:51 W 11 16.09 Mostly Cloudy SCT019 BKN300 15 11.7 81% 74.98 999.5
26 22:51 W 15 G 37 16.09 Mostly Cloudy FEW019 FEW040 SCT100 BKN300 16.1 12.2 78% 74.93 998.9
26 21:51 W 22 G 28 16.09 Mostly Cloudy FEW040 FEW100 BKN250 18.3 13.9 76% 74.96 999.0
26 20:51 W 13 16.09 Mostly Cloudy FEW027 FEW040 SCT100 BKN250 19.4 14.4 73% 74.93 998.7
26 19:51 W 15 16.09 Thunderstorm FEW025 BKN037CB BKN100 BKN250 22.2 16.1 68% 74.96 999.1
26 18:51 S 22 16.09 Mostly Cloudy FEW029 BKN035 BKN048 BKN250 22.2 17.8 22.2 16.1 76% 74.9 998.4 0.33
26 17:51 SE 19 16.09 Mostly Cloudy FEW018 SCT030 BKN050 BKN250 21.7 17.8 79% 74.96 998.8
26 16:51 SE 22 16.09 Mostly Cloudy FEW018 BKN024 BKN250 20.6 16.7 78% 75.03 1000.1
26 15:51 SE 17 16.09 Mostly Cloudy BKN016 BKN060 BKN250 20.6 17.2 81% 75.06 1000.4 0.33
26 14:51 SE 17 16.09 Overcast SCT005 BKN075 OVC160 19.4 17.2 87% 75.11 1001.0 0.03
26 13:51 SE 20 8.05 Light Rain Fog/Mist FEW034 OVC075 17.8 16.7 93% 75.18 1002.2 0.3
26 12:51 E 13 6.44 Rain Fog/Mist OVC065 16.1 15.6 17.8 14.4 97% 75.26 1003.0 0.41 1.55
26 11:51 E 24 6.44 Rain Fog/Mist FEW049 BKN070 OVC090 15.6 14.4 93% 75.34 1004.1 0.69
26 10:51 SE 7 4.02 Thunderstorm Rain Fog/Mist SCT043CB BKN070 OVC090 14.4 12.8 90% 75.41 1005.4 0.41
26 09:51 W 11 11.27 Thunderstorm Light Rain FEW034CB BKN100 BKN120 OVC140 15.6 11.1 75% 75.49 1006.4 0.05 0.05
26 08:51 E 19 16.09 Thunderstorm BKN042CB BKN050 BKN060 OVC140 17.8 8.3 54% 75.49 1006.0
26 07:51 Calm 16.09 Overcast FEW040 OVC150 17.2 8.9 58% 75.57 1007.3
26 06:51 E 13 16.09 Overcast FEW040 OVC150 16.1 8.3 16.7 14.4 60% 75.67 1008.5
26 05:51 E 7 16.09 Overcast OVC190 15.6 6.1 53% 75.67 1008.4
26 04:51 E 11 16.09 Overcast SCT190 OVC240 15 6.1 56% 75.59 1007.4
26 03:51 E 11 16.09 Overcast OVC250 15 4.4 49% 75.62 1007.9
26 02:51 E 6 16.09 Overcast BKN200 OVC250 16.1 3.3 43% 75.72 1009.1
26 01:51 E 9 16.09 Overcast BKN190 OVC250 15.6 6.7 56% 75.74 1009.5
26 00:51 E 7 16.09 Overcast BKN190 OVC300 16.7 5.6 21.7 15.6 48% 75.82 1010.4
25 23:51 E 9 16.09 Overcast SCT210 OVC300 16.1 6.1 52% 75.87 1011.2
25 22:51 E 7 16.09 Mostly Cloudy BKN250 16.1 4.4 46% 75.92 1011.8
25 21:51 E 9 16.09 Mostly Cloudy BKN250 17.8 3.9 40% 75.92 1012.0
25 20:51 E 11 16.09 Partly Cloudy SCT250 18.9 2.8 34% 75.9 1011.6
25 19:51 E 13 16.09 A Few Clouds FEW250 20 2.2 31% 75.9 1011.6
25 18:51 E 13 16.09 A Few Clouds FEW250 21.7 2.8 24.4 21.7 29% 75.9 1011.6
25 17:51 E 19 16.09 A Few Clouds FEW250 22.2 3.9 30% 75.87 1011.2
25 16:51 E 17 16.09 Partly Cloudy SCT250 22.8 5.6 33% 75.9 1011.5
25 15:51 E 11 G 28 16.09 Partly Cloudy SCT250 23.9 7.2 34% 25 75.87 1011.2
25 14:51 NE 22 G 30 16.09 A Few Clouds FEW250 23.9 8.9 39% 25 75.87 1011.0
25 13:51 N 11 16.09 A Few Clouds FEW250 23.9 5 29% 25 75.87 1011.1
25 12:51 NW 13 16.09 A Few Clouds FEW250 23.3 6.1 23.3 13.9 33% 75.9 1011.4
25 11:51 NW 11 16.09 A Few Clouds FEW250 21.7 6.1 36% 75.87 1011.2
25 10:51 N 13 16.09 A Few Clouds FEW250 20.6 7.8 44% 75.87 1011.2
25 09:51 N 9 16.09 A Few Clouds FEW250 18.9 7.8 49% 75.9 1011.4
25 08:51 NW 13 16.09 A Few Clouds FEW090 16.1 7.8 58% 75.9 1011.4
25 07:51 NW 13 16.09 A Few Clouds FEW090 14.4 7.8 65% 75.84 1011.0
25 06:51 NW 17 16.09 A Few Clouds FEW015 FEW090 13.9 9.4 19.4 13.3 74% 75.87 1011.2
25 05:51 W 13 16.09 A Few Clouds FEW015 FEW090 13.9 10.6 81% 75.79 1010.2
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)