Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
12 18:51 SW 8 10.00 Partly Cloudy SCT035 SCT250 82.9 70 84 77 65% 87 29.88 1011.2
12 17:51 SW 12 10.00 Mostly Cloudy BKN035 BKN250 82.9 69.1 63% 87 29.87 1010.9
12 16:51 SW 9 10.00 Mostly Cloudy BKN035 BKN050 BKN250 82.9 69.1 63% 87 29.87 1010.8
12 15:51 SW 10 G 17 10.00 Mostly Cloudy BKN035 BKN055 BKN250 82 69.1 65% 85 29.87 1010.8
12 14:51 W 8 10.00 Mostly Cloudy BKN030 BKN060 BKN250 81 69.1 67% 84 29.87 1011.0
12 13:51 SW 10 10.00 Mostly Cloudy BKN030 BKN055 BKN250 80.1 69.1 69% 83 29.9 1011.9
12 12:51 SW 9 10.00 Mostly Cloudy BKN025 BKN070 BKN250 78.1 68 78.1 70 71% 80 29.9 1012.1
12 11:51 SW 13 10.00 Mostly Cloudy BKN026 BKN070 BKN250 78.1 66.9 69% 80 29.9 1012.0
12 10:51 SW 13 10.00 Mostly Cloudy SCT020 BKN075 BKN250 77 66 69% 79 29.89 1011.6
12 09:51 W 10 10.00 Mostly Cloudy FEW010 BKN070 BKN150 BKN250 75.9 66 72% 77 29.89 1011.6
12 08:51 SW 9 10.00 Mostly Cloudy FEW010 FEW090 SCT150 BKN250 73.9 66.9 79% 29.88 1011.4
12 07:51 W 12 10.00 Mostly Cloudy FEW010 FEW040 SCT100 BKN150 BKN250 73 66.9 81% 29.87 1011.0
12 06:51 SW 7 10.00 Mostly Cloudy FEW010 FEW040 BKN140 BKN250 70 66.9 73 69.1 90% 29.86 1010.6
12 05:51 W 9 10.00 Mostly Cloudy FEW008 SCT040 BKN200 70 66.9 90% 29.85 1010.2
12 04:51 W 7 10.00 Overcast SCT010 BKN037 OVC200 71.1 69.1 94% 29.82 1009.3
12 03:51 NW 12 10.00 Overcast BKN010 OVC200 71.1 70 96% 29.8 1008.6
12 02:51 Calm 10.00 Overcast FEW090 BKN200 OVC250 73 70 90% 29.79 1008.0
12 01:51 E 7 10.00 Overcast FEW046 SCT090 OVC200 72 70 94% 29.8 1008.4
12 00:51 E 9 10.00 Overcast FEW024 BKN046 OVC060 72 70 87.1 71.1 94% 29.83 1009.5 0.11 0.12
11 23:51 N 5 10.00 Thunderstorm Light Rain BKN045CB BKN090 OVC130 72 68 87% 29.87 1010.7
11 22:51 NE 7 10.00 Overcast SCT045 SCT085 BKN130 OVC250 73 69.1 87% 29.85 1010.4
11 21:51 NW 9 10.00 Thunderstorm Light Rain FEW028 BKN042CB BKN085 OVC130 72 68 87% 29.87 1011.0 0.01 0.01
11 20:51 S 10 10.00 Overcast SCT045 BKN075 BKN130 BKN210 OVC250 84.9 70 61% 89 29.82 1009.3
11 19:51 S 8 10.00 Overcast FEW047 SCT130 OVC250 86 72 63% 92 29.82 1009.2
11 18:51 S 9 10.00 Overcast SCT047 SCT065 BKN180 OVC250 87.1 72 90 84.9 61% 94 29.82 1009.4
11 17:51 S 13 G 22 10.00 Mostly Cloudy SCT047 BKN075 BKN250 88 70 55% 93 29.82 1009.2
11 16:51 S 10 10.00 Mostly Cloudy BKN047 BKN250 89.1 72 57% 96 29.84 1010.0
11 15:51 S 13 10.00 Mostly Cloudy FEW040 SCT055 BKN250 90 69.1 50% 95 29.86 1010.6
11 14:51 S 10 10.00 Mostly Cloudy FEW030 BKN060 BKN250 88 64.9 46% 90 29.89 1011.5
11 13:51 SW 6 10.00 Mostly Cloudy FEW033 BKN065 BKN190 BKN250 86 72 63% 92 29.9 1011.8
11 12:51 SW 8 10.00 Mostly Cloudy FEW025 BKN180 BKN250 84.9 73 84.9 72 68% 92 29.9 1011.8
11 11:51 S 6 10.00 Mostly Cloudy FEW021 BKN210 BKN250 81 72 74% 85 29.9 1012.1
11 10:51 Vrbl 3 10.00 Mostly Cloudy FEW019 SCT160 BKN210 BKN250 78.1 72 82% 80 29.92 1012.6
11 09:51 W 6 10.00 Overcast BKN015 BKN190 OVC250 77 71.1 82% 79 29.92 1012.8
11 08:51 W 9 10.00 Mostly Cloudy SCT012 SCT028 BKN250 75.9 71.1 85% 76 29.91 1012.2
11 07:51 W 7 10.00 Mostly Cloudy FEW018 FEW041 BKN250 75 72 90% 74 29.9 1011.9
11 06:51 SW 3 10.00 Overcast BKN031 BKN044 OVC250 72 71.1 72 70 97% 29.89 1011.6 0.87
11 05:51 Calm 10.00 Overcast FEW020 BKN038 OVC050 72 70 94% 29.87 1011.1
11 04:51 SE 8 10.00 Thunderstorm BKN050CB OVC100 70 69.1 97% 29.86 1010.6 0.86
11 03:51 S 7 5.00 Thunderstorm Rain Fog/Mist SCT065CB BKN090 OVC110 72 70 94% 29.86 1010.4 0.01 0.01
11 02:51 S 3 7.00 Mostly Cloudy FEW095 BKN250 71.1 69.1 94% 29.86 1010.6
11 01:51 SE 9 10.00 Mostly Cloudy SCT095 BKN250 71.1 69.1 94% 29.87 1011.0
11 00:51 SE 7 5.00 Light Rain Fog/Mist FEW050 BKN075 OVC090 71.1 69.1 78.1 69.1 94% 29.91 1012.4 0.18 1.2
10 23:51 Vrbl 3 2.00 Thunderstorm Heavy Rain Fog/Mist FEW050CB BKN095 OVC110 70 68 93% 29.92 1012.6 0.21
10 22:51 NE 7 6.00 Thunderstorm Light Rain Fog/Mist SCT080CB OVC110 70 68 93% 29.93 1013.0 0.13
10 21:51 NW 6 6.00 Light Rain Fog/Mist FEW045 SCT075 OVC110 71.1 68 90% 29.95 1013.6 0.03 0.68
10 20:51 E 10 10.00 Overcast FEW015 FEW040 BKN120 BKN150 BKN180 OVC250 70 68 93% 29.9 1011.9 0.01
10 19:51 NE 6 4.00 Thunderstorm Light Rain Fog/Mist FEW015 BKN039CB BKN110 OVC250 70 66.9 90% 29.91 1012.4 0.64
10 18:51 E 8 10.00 Light Rain SCT045 BKN120 OVC250 78.1 62.1 84.9 78.1 58% 80 29.89 1011.8
10 17:51 E 10 10.00 Overcast FEW045 SCT100 OVC250 79 62.1 56% 80 29.9 1011.9
10 16:51 E 10 10.00 Mostly Cloudy FEW045 SCT130 BKN250 82 63 53% 83 29.91 1012.5
10 15:51 E 16 G 21 10.00 Mostly Cloudy FEW047 FEW150 BKN250 84 62.1 48% 85 29.92 1012.6
10 14:51 E 10 10.00 Mostly Cloudy FEW047 FEW170 BKN250 84 63 49% 85 29.94 1013.3
10 13:51 E 12 10.00 Mostly Cloudy FEW047 BKN250 82.9 63 51% 84 29.96 1014.1
10 12:51 E 7 10.00 Mostly Cloudy FEW047 BKN250 84 63 84 69.1 49% 85 29.98 1014.6
10 11:51 E 6 10.00 Mostly Cloudy FEW045 BKN250 82.9 63 51% 84 29.98 1014.6
10 10:51 E 6 10.00 Mostly Cloudy BKN250 82 62.1 51% 83 29.98 1014.8
10 09:51 Calm 10.00 Mostly Cloudy FEW090 BKN250 79 61 54% 80 30 1015.3
10 08:51 Vrbl 3 10.00 Mostly Cloudy BKN250 75.9 63 64% 78 29.99 1015.2
10 07:51 NE 5 10.00 Mostly Cloudy FEW055 BKN250 73 62.1 69% 29.99 1015.2
10 06:51 N 3 10.00 Partly Cloudy FEW055 SCT250 69.1 64 71.1 66.9 84% 29.98 1014.9
10 05:51 NE 3 10.00 Partly Cloudy FEW050 FEW070 SCT250 68 62.1 81% 29.97 1014.7
10 04:51 NE 3 10.00 Partly Cloudy FEW050 SCT070 68 62.1 81% 29.98 1014.7
10 03:51 N 3 10.00 Mostly Cloudy FEW050 BKN075 68 62.1 81% 29.98 1014.9
10 02:51 N 3 10.00 Mostly Cloudy SCT048 BKN070 69.1 63 81% 29.99 1015.0
10 01:51 NE 8 10.00 Partly Cloudy SCT080 69.1 62.1 78% 29.98 1015.0
10 00:51 E 6 10.00 Partly Cloudy SCT060 70 63 73.9 69.1 79% 30 1015.4
09 23:51 NE 8 10.00 Partly Cloudy FEW060 SCT080 70 63 79% 29.99 1015.2
09 22:51 NE 9 10.00 Partly Cloudy SCT060 SCT090 70 64 82% 30 1015.4
09 21:51 NE 7 10.00 Mostly Cloudy SCT055 BKN100 70 63 79% 30.01 1015.8
09 20:51 E 7 10.00 Mostly Cloudy SCT055 BKN100 BKN250 70 63 79% 30 1015.3
09 19:51 NE 10 10.00 Partly Cloudy FEW055 FEW100 SCT250 72 64 76% 29.98 1014.9
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)